Siris Capital Group
VC Fund
New York, United States
Siris Capital Group is a private equity firm that focuses on investments in the data and telecommunications, technology, and technology-enabled business service companies in North America. Their active participation enables Siris to collaborate with management to generate value both operationally and strategically.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 75%
Last updated:
For AI agents: llms.txt
Industries Siris Capital Group invests in
SoftwareE-CommerceEmailRetailTravel
Stages Siris Capital Group invests in
Private EquityDebt Financing
Countries Siris Capital Group invests in
United StatesUnited Kingdom
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Harrison Lung
|
|||
Daniel Moloney
|
|||
Frank Baker
|
|||
Hubert de Pesquidoux
|
|||
Jeff Jacobson
|
Investment Focus
Industry
- Software 2 (25%)
- E-Commerce 2 (25%)
- Email 1 (13%)
- Retail 1 (13%)
- Travel 1 (13%)
Stage
- Private Equity 4 (50%)
- Debt Financing 1 (13%)
Country
- United States 3 (38%)
- United Kingdom 1 (13%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
|
Harrison Lung
Partner
|
Partner | Total investments: 2 | Find email | |
|
Daniel Moloney
Executive Partner
|
Executive Partner | Total investments: 1 | Find email | |
|
Frank Baker
Co-Founder and Managing Partner
|
Co-Founder and Managing Partner | Total investments: 1 | Find email | |
|
Hubert de Pesquidoux
Executive Partner
|
Executive Partner | Total investments: 2 | Find email | |
|
Jeff Jacobson
Executive Partner
|
Executive Partner | Total investments: 0 | Find email | |
| See all 10 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Mavenir
|
Mavenir is the industry's only end-to-end, cloud-native network software provider. Focused on accelerating software network transformation and redefining network economics for Communications Service Providers (CSPs) by offering a comprehensive end-to-end product portfolio across every layer of the network infrastructure stack. From 5Gapplication/service layers to packet core and RAN – Mavenir leads the way in evolved, cloud-native networking solutions enabling innovative and secure experiences for end users. Leveraging industry-leading firsts in VoLTE, VoWiFi, Advanced Messaging (RCS), Multi-ID, vEPC, and Virtualized RAN, Mavenir accelerates network transformation for more than 250+ CSP customers in over 130 countries, serving over 50% of the world’s subscribers. We embrace disruptive, innovative technology architectures and business models that drive service agility, flexibility, and velocity. With solutions that propel NFV evolution to achieve web-scale economics, Mavenir offers solutions to help CSPs with cost reduction, revenue generation, and revenue protection. | $300M / Debt Financing / Jun 16, 2025 | |
Travelport
|
Travelport is the technology company which makes the experience of buying and managing travel continually better. It operates a travel commerce platform providing distribution, technology, payment and other solutions for the global travel and tourism industry. The company facilitates travel commerce by connecting the world's leading travelproviders with online and offline travel buyers in a proprietary business-to-business (B2B) travel platform. Travelport has a leading position in airline merchandising, hotel content and distribution, car rental, mobile commerce and B2B payment solutions. The company also provides IT services to airlines, such as shopping, ticketing, departure control and other solutions. | $570M / Private Equity / Dec 04, 2023 | |
|
Mavenir
|
Mavenir is the industry's only end-to-end, cloud-native network software provider. Focused on accelerating software network transformation and redefining network economics for Communications Service Providers (CSPs) by offering a comprehensive end-to-end product portfolio across every layer of the network infrastructure stack. From 5Gapplication/service layers to packet core and RAN – Mavenir leads the way in evolved, cloud-native networking solutions enabling innovative and secure experiences for end users. Leveraging industry-leading firsts in VoLTE, VoWiFi, Advanced Messaging (RCS), Multi-ID, vEPC, and Virtualized RAN, Mavenir accelerates network transformation for more than 250+ CSP customers in over 130 countries, serving over 50% of the world’s subscribers. We embrace disruptive, innovative technology architectures and business models that drive service agility, flexibility, and velocity. With solutions that propel NFV evolution to achieve web-scale economics, Mavenir offers solutions to help CSPs with cost reduction, revenue generation, and revenue protection. | $100M / Private Equity / May 02, 2023 | |
|
Travelport
|
Travelport is the technology company which makes the experience of buying and managing travel continually better. It operates a travel commerce platform providing distribution, technology, payment and other solutions for the global travel and tourism industry. The company facilitates travel commerce by connecting the world's leading travelproviders with online and offline travel buyers in a proprietary business-to-business (B2B) travel platform. Travelport has a leading position in airline merchandising, hotel content and distribution, car rental, mobile commerce and B2B payment solutions. The company also provides IT services to airlines, such as shopping, ticketing, departure control and other solutions. | $200M / Private Equity / Mar 31, 2023 | |
|
Mavenir
|
Mavenir is the industry's only end-to-end, cloud-native network software provider. Focused on accelerating software network transformation and redefining network economics for Communications Service Providers (CSPs) by offering a comprehensive end-to-end product portfolio across every layer of the network infrastructure stack. From 5Gapplication/service layers to packet core and RAN – Mavenir leads the way in evolved, cloud-native networking solutions enabling innovative and secure experiences for end users. Leveraging industry-leading firsts in VoLTE, VoWiFi, Advanced Messaging (RCS), Multi-ID, vEPC, and Virtualized RAN, Mavenir accelerates network transformation for more than 250+ CSP customers in over 130 countries, serving over 50% of the world’s subscribers. We embrace disruptive, innovative technology architectures and business models that drive service agility, flexibility, and velocity. With solutions that propel NFV evolution to achieve web-scale economics, Mavenir offers solutions to help CSPs with cost reduction, revenue generation, and revenue protection. | $155M / Private Equity / Oct 04, 2022 | |
Constant Contact
|
Constant Contact provides email marketing, social media marketing, event marketing, and online survey tools to help small organizations grow their businesses by building stronger customer relationships.More than 500,000 small businesses, nonprofit organizations, and member associations rely on Constant Contact's easy-to-use, affordableonline tools to create and deliver personalized, professional communications that engage customers, members and prospects wherever they congregate online -- from their email inboxes to their social networks. Launched in 1998, Constant Contact made email marketing simple for small organizations and continues this tradition today providing the education and tools to make social media marketing simple for small organizations as well.As an industry leader in permission based online marketing, Constant Contact partners with the leading providers of online marketing and social media marketing solutions. Constant Contact welcomes developers and partners to utilize its API and contribute to its Constant Contact App MarketPlace. | $400M / Private Equity / Feb 11, 2021 | |
|
Travelport
|
Travelport is the technology company which makes the experience of buying and managing travel continually better. It operates a travel commerce platform providing distribution, technology, payment and other solutions for the global travel and tourism industry. The company facilitates travel commerce by connecting the world's leading travelproviders with online and offline travel buyers in a proprietary business-to-business (B2B) travel platform. Travelport has a leading position in airline merchandising, hotel content and distribution, car rental, mobile commerce and B2B payment solutions. The company also provides IT services to airlines, such as shopping, ticketing, departure control and other solutions. | $500M / Private Equity / Jun 05, 2020 | |
Digital River
|
Founded in 1994, Digital River is a leading global provider of Commerce-as-a-Service solutions. The company offers multi-tenant, SaaS commerce, payments and marketing services to business-to-business (B2B) and business-to-consumer (B2C) digital product and cloud service companies as well as branded manufacturers. Customers range in size from smallto mid-sized companies to multi-national enterprises from a variety of industries, including, software, consumer electronics, computer games, publishing, travel, music, video games, electronic toys, housewares, medical equipment, power tools and direct-selling, among others. In 2013, Digital River processed more than $30 billion in online transactions. Digital River’s commerce, payments and marketing solutions operate as part of its customers' commerce sales channels. The solutions facilitate commerce transactions, drive traffic to online stores, and enable increased conversion rates and sales through the offering of local payment methods. The company’s services include responsive and adaptive site design, development and hosting of commerce stores, merchandising, order management, fraud prevention screening, processing of popular local online payment methods, transacting in global currencies, export controls and management, tax compliance and management, digital product delivery via download, integration with third-party agencies for physical product fulfillment, multi-lingual customer service, subscription management, and online marketing services, including email marketing, paid search program management, website optimization, web analytics and reporting, among other programs. Digital River is headquartered in Minnetonka, Minnesota with more than 30 offices around the world, including Seattle, Washington; Aliso Viejo, San Diego and San Francisco, California; Victoria, BC, Canada; Cologne, Germany; London, England; Shannon, Ireland; Stockholm, Sweden; Luxembourg, Luxembourg; Moscow, Russia; Shanghai and Beijing China; São Paulo, Brazil; Taipei, Republic of China (Taiwan); and Tokyo, Japan.Digital River’s clients include Acer, Adobe, ArenaNet, Autodesk, AVAST, BlackBerry, Expedia.com, HarperCollins, Jawbone, Kaspersky Lab, Lenovo, Logitech, Mattel, McAfee, Microsoft, Nuance, Panasonic, Razer, Samsung, SanDisk, Seagate, Siemens, Skullcandy, Spotify, Square Enix, TechSmith, Thunder Tiger, Ticketmaster, Trend Micro, Ubisoft, Vistaprint, VMware, Western Digital and Wix.com. | $50M / Private Equity / Feb 20, 2020 |
Co-Investors
Elliott Management Corp.
2 deals together
Canyon Partners
1 deal together
Clearlake Capital Group
1 deal together
Davidson Kempner
1 deal together
Evergreen Coast Capital
1 deal together
Koch Strategic Platforms
1 deal together
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FAQ
What does Siris Capital Group invest in?
Siris Capital Group invests primarily in Software, E-Commerce and Email startups, most often at Private Equity and Debt Financing stage. Most of the 8 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Siris Capital Group?
Public channels for Siris Capital Group include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Siris Capital Group?
The team at Siris Capital Group includes Harrison Lung (Partner), Daniel Moloney (Executive Partner) and Frank Baker (Co-Founder and Managing Partner), among 10 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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