Mark Bonnar
Managing Director @ Southern Cross Venture Partners
Sydney, Australia
Mark Bonnar is a Series B investor at Southern Cross Venture Partners in Sydney focused on Energy and Renewable Energy. Dr Mark Bonnar is the Investment Director at Southern Cross Venture Partners responsible for the Renewable Energy Venture Capital Fund, a $200M investment fund established between the Australian Federal Government and Softbank China Venture Capital.Mark’s early career in applied research included the development of advanced materials forimproved thermodynamic performance in utility power generation. Subsequently joining semiconductor equipment vendor Applied Materials Inc. based in Silicon Valley, Mark worked with the World’s largest device manufacturers including Philips, NEC & Intel. From there he held senior roles within several private equity backed ventures including as Chief Executive of Applied Thermal Control Ltd.Prior to joining Southern Cross Mark was Investment Director with Cleantech Ventures and Commercialisation Manager for CSIRO’s corporate transactions team. He has considered hundreds of investments in the clean energy and clean technology arena, guiding several companies through commercialization to successful exits for shareholders and management.Mark holds a BSc in applied physics and a PhD in materials science from Heriot-Watt University in Edinburgh. A graduate of the Australian Institute of Company Directors Mark was the recipient of the 2007 CSIRO Medal for business excellence. He currently serves on the advisory board for the Centre for Energy Technologies at the University of Adelaide.
- Total investments:
- 4
- Last investment:
- Lead investor:
- 75%
Last updated:
For AI agents: llms.txt
Industries Mark Bonnar invests in
Stages Mark Bonnar invests in
Countries Mark Bonnar invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
| Work phone | ||
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Investment Focus
Industry
- Energy 4 (100%)
- Renewable Energy 4 (100%)
- Solar 3 (75%)
- Battery 1 (25%)
- Software 1 (25%)
Stage
- Series B 3 (75%)
- Series A 1 (25%)
Country
- Australia 2 (50%)
- United States 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Sunman Energy
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Sunman Energy is a technology company founded by a group of industry veterans delivering the future of Solar. Through the research and development of composite materials, Sunman has successfully commercialized the world’s first glass-free, lightweight and flexible Panel – eArc. Replacing glass completely, eArc brings solar power to markets andapplication scenarios that were previously impossible. | $12M / Series B / Nov 10, 2020 | |
Wattwatchers
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Wattwatchers is a new open platform, low cost energy-saving network for homes and businesses. It combines a suite of Class 1, all-IP, metering, monitoring and control devices with co-developed software interfaces, cloud -service management tools and Energy Service offerings. Systems can be installed in a variety of configurations and operate inreal-time with or without Utility infrastructures. The Wattwatchers AUDITOR series of internet metering devices come in 3G and WiFi versions and can bridge easily to alternative IoT communications platforms e.g. LoRaWAN. | $2M / Series A / Apr 26, 2017 | |
GreenSync
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GreenSync is a global energy-tech company that connects energy resources to create dynamic grids.GreenSync platform has knowledge of major grid congestion points and can pay rebates to customers to help improve the reliability of the grid. The company helps transform businesses and markets globally. It enables new markets by facilitatingpeer-to-peer and micro markets as well as large scale trading through our platform. GreenSync helps you buy, sell and store energy in the most efficient way possible. | $11.5M / Series B / Jan 23, 2017 | |
Sunverge Energy
|
Sunverge Energy provides integrated solar solutions for distributed generation and storage. It offers Sunverge Solar Integration System (SIS) Release 1.2 that distributes the generation and storage of renewable energy; and Sunverge SISport load management software that supports strategies for shaping and shifting peak residential load. SunvergeEnergy serves homeowners, small– to medium–sized businesses, utilities, and electricity regulators. Dean Sanders and Kenneth Munson founded it in 2010, with its headquarters in Stockton in California and an additional office in Fortitude Valley in Australia. | $15M / Series B / Jun 17, 2014 |
Co-Investors
Southern Cross Venture Partners was launched in 2006 by veteran venture capitalists who have managed and operated companies themselves. Southern Cross Venture Partners assist early stage technology companies that demonstrate the potential for exceptional growth and market leadership build significant businesses. The founding principle of SouthernCross is partnership -- they are passionately committed to doing everything they can to help their portfolio companies succeed. Their team has a strong record of utilizing their start-up and management experience, industry knowledge, network of business/customer relationships, and recruiting skills to assist in building significant shareholder value.Southern Cross is currently investing in companies that fit their investment criteria. They prefer to act as lead or co-lead in the early stages where they have experience that can help build value rapidly. They do not have a minimum investment amount, however, a typical initial investment will be $2 million to $5 million with an ability to invest more money in later rounds.
Southern Cross Venture Partners Contacts
| Name | Phone | Socials | |
|---|---|---|---|
John Scull
Managing Director
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Mark Bonnar
Managing Director
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Anneliese Bisson
Chief Financial Officer
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Bob Christiansen
Founding Managing Director
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Frank Foster
Venture Partner
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FAQ
What does Mark Bonnar invest in?
Mark Bonnar invests primarily in Energy, Renewable Energy and Solar startups, most often at Series B and Series A stage. Most of the 4 investments tracked by Shizune back companies in Australia. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Mark Bonnar?
Public channels for Mark Bonnar 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.
When did Mark Bonnar last invest?
The most recent investment recorded for Mark Bonnar closed in Nov 2020. Shizune tracks 4 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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