Top 50 Energy Angel Investors in United Kingdom in September 2025

Ian was Chief Executive of SSE, one of the UK’s leading utility companies and Scotland’s largest industrial company for over ten years. He stepped down from that position in the summer of 2013. Ian is now Chairman of Infinis Energy plc, a renewable energy company; Independent Chairman of the oil services company, the John Wood group and NovaInnovation; as well as holding various advisory and non-executive positions in other organisations. Ian is a renowned and innovative leader in the energy industry, and was welcomed to Synaptec’s advisory board in July 2016.

Paul Forster

Angel / Sophisticated Investor and Trader (Ex London Stock Exchange(LSE), Deutsche Bank, London Clearing House(LCH) ) , Invested in 60+ Startups / 4 successful exits (with Avg 20x) and counting more. (Web3 -> udaybs.ETH )Invested in following asset classes from past 2 decades across UK / India / US / Europe / -Private Equity (Seed / Growth / VC/ Acquisition / Merger) - Equity Markets - Real Estate - FX - Commodity - Bonds - Fintech, Blockchain, Crypto Market, Web3 , DeFi, NFT - Derivative Markets / Hedging / F&O / CFDGrowing Wealth in bumpy economic rides - There is no secret formula. Investment is an art. Being vigilant, dynamic, connecting dots, evaluating risk with constant change, loads of patience and visualising medium to long term.Private Equity Investments across globe in following domains / categories: - Energy - EV / Carbon Footprint - Blockchain / FinTech / AI / ML / Web3 / DeFi - D2C / B2C - Food & Beverages - Pharma - Media & Entertainment

Biz Stone is the Co-founder and CEO of Jelly Industries, Inc. He previously worked at The Obvious Corporation as a Co-founder and Chief Creative Officer. Biz Stone attended Northeastern University.

Rose first joined Marks & Spencer in 1972, as a management trainee. Rose remained with Marks & Spencer until 1989, when he joined the Burton Group as Chief Executive in 1994. The Burton Group demerged, forming the Arcadia and Debenhams businesses.In 1997, he joined Argos as Chief Executive, where he was charged with defending thecompany against a takeover bid from the home shopping giant, Great Universal Stores (GUS). Ultimately, GUS did succeed in taking control of Argos, although Rose was widely praised for negotiating an increased price for the retailer.In a turbulent time in its history, Rose became the Chief Executive of Booker plc, where he oversaw the merger of the company with Iceland to form the Big Food Group.Rose joined the Arcadia Group in 2000 as Chief Executive and left in 2002 following its acquisition. Rose turned around the fortunes of the Arcadia Group, and sold the group for over £800m, netting himself around £25m as part of the deal.

Lord Stanley Fink is a non-executive director and investor in British Pearl. He is a senior, well-known and accomplished financial services professional, with a long and diverse track record in, among others, the managed futures, brokerage and hedge fund industries.He was born in 1957 and educated at Manchester Grammar School and Trinity Hall,Cambridge graduating with a degree in Law. He then qualified as a Chartered Accountant in 1982 and worked at Mars and Citibank NA before joining Man Group plc in 1987, stepping down as Deputy Chairman of the Group in July 2008 after an illustrious career spanning 21 years including a successful period as Group CEO.Currently he is Chairman of ISAM Europe LLP, a hedge fund with offices in London, Florida and Cayman. He also is a non-executive director of Marex Spectron and Chairman of Zenith Hygiene Group plc.Lord Fink is a committed philanthropist whose focus is health, education and the environment. His roles include being a Trustee of ARK (Absolute Return for Kids), a Trustee of the Mayor’s Fund for London and Co-Chairman of the Board of Governors of the Oxford Centre for Hebrew and Jewish Studies. He was Chairman of the highly successful campaign by the Evelina London Hospital's Appeal to raise £10 million to assist in equipping the new hospital in 2005. He is also Chair Emeritus of the Board of Governors of Burlington Danes Academy which he sponsored through ARK. He was raised to the Peerage in 2011.

Nigel Wray is a highly successful entrepreneur, and has been a shareholder in several companies amongst others, Domino's Pizza, Carlton Communications and Singer & Friedlander. He also has a strong commercial background built in a range of business sectors.Saracens does a lot of excellent work in its local, north London community.Nigel still calls the area home, too - having attended Mill Hill School, he now lives in Totteridge.

Michael Spencer is Chairman of the Intercapital Private Group Ltd and a director of Bordeaux Index Ltd. Michael is the chairman of The Conservative Party Foundation Ltd and stepped down from his role as Treasurer of the Conservative Party in October 2010.Michael is 61. His interests include running, wine, art, politics and military history. Hefounded ICAP Charity Day in 1993 where for one day each year the Company’s global revenue, including broker commissions, were donated to charity. Over 24 years, the event raised nearly £135 million for 2,200 charities worldwide.Michael was named the Ernst & Young World Entrepreneur of the Year 2010 and in April 2011, ICAP won a Queen’s Award for Enterprise in the International Trade category. As Britain's most coveted business prize, the Queen’s Awards recognise outstanding achievement by UK companies. The award is formally conferred by a Grant of Appointment and is symbolised through a presentation given by Her Majesty's Lord Lieutenants as The Queen's local representatives. This was the second time that ICAP received a Queen’s Award in this category, having been named a winner in 2005.

Jon Moulton is a British venture capitalist. He is the founder and managing partner of the private equity firm Better Capital, and is the former managing partner of the private equity firm Alchemy Partners.

Holly Branson Chief Purpose and Vision Officer at Virgin.

Giuliano Stiglitz is CEO, founder and Co-owner of Latam Digital Ventures, a holding company that he created together with the Himedia Group, focused on acquiring and creating high growth and profitable digital media and ad tech businesses in the US Hispanic and LATAM Markets.Prior to that, he was CEO of Orange Advertising Americas, one of thelargest companies at US Hispanic and LATAM, focused on ad networks which he successfully transformed into Primia.Digital.Giuliano Stiglitz is also an angel investor, having invested in several tech and digital media start-ups. He is also a speaker at some of the most important events, such as Adtech, IAB, DMEXCO.

Sam Branson Co-founder at HiddenLight Productions.

One of the UK's leading tech angel investors. Active seed and pre-seed stage angel investor in UK based disruptive tech. Prefers businesses venturing into pastures new and keen investing at the pre product stage whether BtoC or B2B. Twice exited UK based tech entrepreneur with experience operating tech businesses in 20 countries in multiplelanguages. Co-founded Gumtree with Simon Crookall which was acquired by Ebay and Slando acquired by Naspers.

Alex Chesterman is the Co-Founder of Houseful. Alex Chesterman attended the University College London.

Giles Brook

Magnus Rausing is the current Founder and Director of Magnus Rausing and Founder and Genral Partner of UNTITLED. He previously worked at Rothschild & Co as a Mergers and Acquisitions. Magnus Rausing attended New York University.

Tech CEO, Chairman and venture builder in sustainable tech, fintech and the future of work.

Passionate SaaS Startup and Growth CxO & Board Executive I BUILD WINNING STARTUPS TO SCALE AND BEYOND - Passionate and engaged SaaS growth phase leader and general manager with strong track record - Commercial at heart, driven by ambitions, with a calm yet fighting mindset and the desire to learn from failures and courage to win - Driver insuccessful execution of growing business, go-to-market strategies, venture capital funding, globalization, US and Europe entries - Growing performance by strong hiring, motivating individuals and leaders with empowerment, result focus and respect across cultures and functions

Serge Chiaramonte

Oliver Boom is on the investment team at IPGL.

Dawn Marriott-Sims is an Operating Partner at HgCapital and the Executive Chair of Kinapse, an Hg backed business, providing Life Science services.Before joining HgCapital, Dawn was a Board Member and the Joint COO of Capita plc, a FTSE 100 company during her time of office. She was responsible for 6 of the 11 operating divisions and also led GroupIT, Group HR and Group Talent, who delivered services to the 75,000 employees. She is a Board member for the Institute of Collaborative Working, the driving force behind ISO 44001.

In 2010, Nick founded Lightsource Renewable Energy, then just a six-person start-up, which quickly grew over 5 years to become Europe’s largest solar developer and operator and a recognised global leader. In his role as Group CEO, Nick’s dynamic leadership and vision has driven the company to tremendous success and in December 2017, Lightsourceannounced a strategic partnership with BP which has committed aggressively to accelerate the low carbon transition. The company has rebranded to Lightsource BP in affirmation of this powerhouse commitment which is set to shape the future of global energy delivery. Nick previously sat at Board and Senior Director level in a number of leading retail financial service companies. Throughout his career, Nick has always been recognised for his entrepreneurial skill and success in pairing retail financial products with low-risk, predictable investments.

Jon Reynolds is the Co-Founder and CEO at SwiftKey. He attended University of Cambridge during 2004 - 2007.

Paul has extensive experience in the energy and service sectors in Europe and North America. Having stepped down as CEO of Electron he is now an Advisor to the Board, as well as being an Adviser to Habitat Energy, a member of the Committee on Fuel Poverty advising the UK Secretary of State for Energy, and Chair of Medicinema, a charity that buildscinemas in hospitals.He has served on the Executive Committee of two of the largest utilities in Europe, Centrica Plc and RWE/INNOGY. From 2006 to 2009, he was President and Founding Partner of Genesis Capital Corporation, a Canadian private equity company investing funds in small and medium-sized industrial businesses. From 1997 to 2005, Paul held a variety of positions with increasing responsibility with Centrica plc, Direct Energy North America, in Toronto. His tenure there culminated in his role as President of Canadian Operations and serving as a Member of the North American Board and the North America Executive Committee. His leadership enhanced the Company’s growth from $700,000MM to $2.7Bn, and from 600 to 3,000 employees.

Oliver Boom is on the investment team at IPGL.

Richard Brooke

Naruhisa Nakagawa is a Founder & Chief Investment Officer at Caygan Capital.

Preben Damgaard - Director @ Axcess A/S

Ian got a master's in machine learning at Cambridge and loves dystopian robot takeover narratives. Seven years ago, Ian realized being a choirboy came with no street cred, so he started DJing hip-hop, funk, drum & bass, and grime. Ian quit his job at Bain & Company, Singapore to start Songkick.

Brett Akker is a Non-Executive Director at Much Better Adventures.

Mike Lee is Co-Founder of MyFitnessPal, the leading free resource helping people improve their health. Prior to founding MyFitnessPal, Mike co-founded NextC, a venture-funded startup focused on building online communities. During his 20 year tenure in the technology industry, Mike has held leadership positions at several other top start-upsin Silicon Valley, including Palm, Handspring, Beyond.com and Regis McKenna. Mike graduated summa cum laude from Princeton with a B.A. in Economics.

Ian began his 3i career in 1987, and in March of this year, was promoted to Managing Partner, with the role of Chief Investment Officer for the Group. He is the Group’s first appointment to this role, in which he has functional responsibilities for the Group’s investment strategy, and for the quality, consistency and improvement of itsinvestment processes within and across each business line.Ian has been closely involved with many of the Group’s notable investment successes, including Thomson Directories, Pets at Home, Telecity, Betapharm and Enterprise.

Matt Cooper is Chairman of Octopus. Before joining Octopus, Matt was Principal Managing Director of Capital One Bank (Europe) where he led the team guiding strategy and operations. He helped the UK arm grow from a start-up to a business employing more than 2,000 people and generating over £275 million in revenue.

Roland Rudd is Co-Chairman of Finsbury Glover Hering, a leading global strategic communications and public affairs consultancy.He is a leader in corporate communications, providing personal counsel to board members and senior executives at the most critical moments for their companies.He founded Finsbury in 1994, serving as Chairmanthroughout. In 2021 Finsbury completed a merger with the Glover Park Group and Hering Schuppener to form Finsbury Glover Hering.Before founding Finsbury he worked as a political and financial journalist, primarily at the Financial Times.Roland Rudd is Chair of Tate, Trustee for Speakers for Schools, the Bayreuth Festival and the Lambeth Conference. He is an ambassador for the Alzheimer's Society and the Made By Dyslexia campaign and is Chairman of the Governors of Millfield School. He is also an Honorary Fellow at the Centre for Corporate Reputation and Regents College, Oxford University.

Doug was most recently COO of property portal Zoopla. From 2008 he led the growth of the team from 5 to 75 people and the site to number 2 in UK property with 5M visitors a month, organically and through acquisitions. Previously he was MD of Gumtree.com, the UK's largest classified ads site, where he built the team and business through a fungrowth ramp after acquisition by eBay in 2005.Prior to Gumtree, Doug worked for eBay UK, Bain & Company, Unilever and also as an entrepreneur. Doug has a BA in English from Cambridge, an MBA from Kellogg, and hates to admit he is a qualified accountant.

Chris Adelsbach - Founding Partner @ Outrun Ventures

Duncan Grierson

Shubhrendu Koche

Alexsis is the Founder and Managing Partner of Merian Ventures, an early-stage venture firm focused on investing in women founded, co-founded and majority-owned companies in the US and UK. Alexsis has extensive investment, venture and operations experience based on businesses she has founded or funded. As managing partner of Merian Ventures since2015, Alexsis serves as a Board Member and Advisor to Merian Venture portfolio companies Provenance, Pivigo, Populus, Honeycomb, ImpactVision, CareerLark, Cirrus Identity and Compaas, among others. Merian Ventures was named after Maria Sibylla Merian, a botanist, entrepreneur and intrepid traveler born in 1647. In addition to Merian Ventures, Alexsis is a US-UK Fulbright Commissioner; Board member of the Oxford Internet Institute; Board member of The Oxford Foundry; Founder and funder of the WEInnovate STEM accelerator for Women at Imperial College, London; and Board Member and Advisor to companies she's funded. Alexsis is also Chairman and Founder of The Althea Foundation, established in 2003 as a family office. Today, The Althea Foundation is a California nonprofit public benefit corporation and it is recognized by the Internal Revenue Service as a public charity described in Internal Revenue Code Sections 501(c)(3) and 509(a)(1).

Gary Shuckford

In the beginning of the 1990´s Lars Windhorst was said to be Germany´s number one business founder and a unique example for entrepreneurial spirit. He was hailed as the "Wunderkind" of German economy and Ex-Chancellor Helmut Kohl was pleased about the economic offspring of Germany. Until 1997 Lars Windhorst accompanied the former primeminister at business delegations abroad. Lars Windhorst started his entrepreneurial activities with electronic components which he imported from the Far East and assembled to personal computers in Germany in order to sell them at profit. An internationally operating business conglomerate was set up by the teenager in no time.Lars Windhorst climbs up the career ladderIn the early 90´s Lars Windhorst began trading electronic components and computer parts and revealed great finesse in negotiating.The Business-Wunderkind always contrived to win the favor of the people surrounding him. At the age of 16 Lars Windhorst met 27-year-old Mellon Zhang who opened for him the doors to China and Hongkong. The sales director of a Chinese electronics company quit his job without further ado, became Windhorst´s partner and accompanied him on his way in the Far East. In 1993 then 17-year-old Lars Windhorst founded Windhorst Electronics GmbH and became the Wunderkind of German economy. With cleverness and incisiveness he quickly put into practice what big industrialists loose sleep over.Lars Windhorst to make millions of profitShortly thereafter followed branches in China, Vietnam, and Europe. Lars Windhorst expanded his business rapidly and was further active in areas such as electronics, industry, trading, real estate and finance. With offices also based in Hong Kong the Windhorst group operated by 1995 in Germany, Europe and Asia to generate a turnover of 180 million Marks. In its second financial year the company of multi-talent Lars Windhorst translated more than twice as much into profits as in its first year. A mere 19 years old Lars Windhorst became Germany´s most successful entrepreneur. The young chief executive ran an international branch network of 20 establishments with over 200 employees world-wide.The Windhorst group and its operating areasAmong the most important business fields within the European area were the distributions of electronic components, the assembly of personal computers as well as the production of advertising films.His Asian companies conducted commerce with primary products and provided business consultancy and real estate business. In the course of business expansion, Lars Windhorst founded later on the trading and investment conglomerate Windhorst AG and additional companies in financial services, including Windhorst Capital Holding GmbH. Young and vibrant Lars Windhorst shifted its focus in the beginning of 2000 to the New Economy and made substantial investments in the internet area, telecommunications and media.The crisis of the New Economy that followed, threw the Windhorst group off balance which had to file for bankruptcy afterwards.Lars Windhorst, CEO of Sapinda Deutschland GmbHNevertheless, exceptional talent Lars Windhorst keeps up. In 2004 Lars Windhorst co-founded the investment group Sapinda. With deft investment strategies in the field of business finance, Lars Windhorst shortly reached high profits for the company. The investment group, under the financial direction of a famous South African industrialist family, transacted investments of more than 2 billion EUR over the last 5 years.In 2007, Mr. Windhorst was seated behind the cockpit in a Bombardier Challenger 604 during takeoff from Kazakhstan when the plane suddenly crashed into a wall. The accident, which left one of the pilots dead, caused serious injuries to Lars Windhorst. He lost consciousness and found himself lying in the snow-covered wreckage with burns, bruises and broken ribs. Following four weeks in the hospital, he has barely recovered just when the stock market took a tumble. Due to the impact of the financial crisis in 2008, the company underwent a restructuring phase in the 2nd half of 2008. In April 2009 it took up its investment activities again under new corporate structure. In May 2009 Lars Windhorst founded Sapinda Deutschland GmbH.The investment and holding company Sapinda Deutschland GmbH manages public equity, private equity and global debt and is the German subsidiary of Sapinda Holding BV. In order to successfully move forward in the international investment market, Lars Windhorst selected a group of financial professionals to head Sapinda's advisory board. The group is headed by Chairman Dr. Hubertus von Grünberg, who is also chairman at ABB Ltd in Zurich and a member of other international supervisory boards. Lars Windhorst chose him to advise Sapinda's management regarding all of its strategic decisions relating to major business investments. Lars Windhorst, together with other backers Robert Hersov and Dr. Kim, invests in the international capital market with a special emphasis on the raw materials market as well as agricultural production.Lars Windhorst Addresses Problems Facing the Younger GenerationWith a heart towards helping young people, Lars Windhorst joined the Mentor Foundation as a member of the board from 1997 through 2002. The group joins with government officials, parents and schools to teach youngsters how to avoid the pitfalls of drug abuse. The Queen of Sweden was one of the co-founders of the organization that is connected with the World Health Organization. A truly global endeavor, the international headquarters are located in the UK, with other offices in Germany, Lithuania, US, Lebanon, Columbia and Latvia.

David Pell

Jeffrey Goh

Duran is an experienced strategy and investment professional. While working for The Boston Consulting Group (BCG) with blue chip clients, Duran built expertise in growth strategy and due diligence and gained considerable skills in operational improvements and organisational restructuring. As Director of Strategy and Business Analysis at Global Data(formerly Progressive Digital Media), Duran worked on the largest acquisition in the company’s history and carried out multiple projects with a direct impact on the bottom line. Duran is currently Head of Strategy for the Sturrock & Robson Group and an Investment Manager at Excelsa Ventures. He holds an MBA from INSEAD and a BA in Mathematics and Economics from Swarthmore College.

Allison Pickens is an internationally known thought leader on Customer Success and scaling teams during hyper-growth. As former Gainsight's Chief Operating Officer, Allison manages corporate strategic planning, corporate development, and operational responsibilities that are critical to the company and its customers’ success.Allison wasnamed one of the top women leaders in SaaS, one of the 50 people in the sales and business development industry, and named a Customer Service Influencer. She is an international speaker and blogger, and the host of The Customer Success Podcast. She also serves as a Board Director at SaaS companies RainforestQA and eCompliance and is a Growth Operating Partner at Bessemer Venture Partners. She has a passion for helping companies create exceptional Customer Success initiatives across their company.Allison built and scaled Gainsight’s post-sales functions, including a global team of more than 150 team members across Customer Success Management, Professional Services, Support, Business Operations, Customer Marketing, Value Consulting, and Customer Engineering. Before that, she built Gainsight's Sales Development and Business Operations, teams.Allison started her career in management consulting for Fortune 500 companies while at Boston Consulting Group and later worked in private equity investing at Bain Capital. At both companies, she helped organizations drive change and scale teams. Allison has a BA in Ethics, Politics, and Economics from Yale University, as well as an MBA from Stanford University. On weekends you can find Allison geeking out about blockchain or hiking in the Marin Headlands.

Vip Amin

Greg Jackson is the Founder and CEO at Octopus Energy.

Cayli began his career in 2000 and held various positions for Roche, Johnson & Johnson, Boston Scientific, and Turev. Founded and led two healthcare companies (Idea and Invivo) and two consultancy companies (Kanvas and Biovenka).He holds a BSc and an MBA, both from Middle East Technical University (aka ODTU).As a seasoned investor, he has 8personal investments including British, Irish, American, Swedish, and Turkish companies, and serves on the Board of some. He also consults startups on behalf of TUBITAK (Turkish Scientific & Technological Research Council). He is a member of BIC Angels and GAIN Global.

Bradley Horowitz is an Advisor and Vice President of Product Management at Google. Most recently he helped create Area 120, Google's incubator for internally-sourced innovation. He's led a large number of products, programs and initiatives at Google - including Google for Startups, Google Photos, Gmail, Google Voice, blogger, and GoogleNews.Before joining Google in February 2008, Horowitz was Yahoo's vice president of Advanced Development where he drove the acquisitions of Flickr and MyBlogLog, launched the Brickhouse incubator and developed new products like Yahoo! Pipes. Additionally, he was responsible for the company's initiative to open up its platform which included overseeing the Yahoo Developer Network (YDN).Previously, he was co-founder and CTO of Virage, where he oversaw the technical direction of the company from its founding through its IPO and eventual acquisition by Autonomy.Horowitz was a PhD candidate at the MIT Media Lab. While at the Media Lab, he worked on a number of topics related to computer vision, graphics and image processing, which resulted in a patented new technique for the recovery of structure, motion and camera parameters from video sequences.Horowitz holds an MS in Media Science from MIT and a BS in Computer Science from the University of Michigan.

Scott Banister