Tom Spang’s talent for delivering successful modern power projects has permeated his 30-year career and significantly increased Advanced Power’s value since he became CEO in 2014. He is an Executive Board Member, a member of the Senior Management Committee, and a founding shareholder who helped establish the company’s European success, then led its expansion to the U.S.

Mr. Spang’s experience in the development, financing, investment, and management of advanced electric generating facilities was tapped in 2021 to complement the Board of Directors at One Energy, a leader in behind-the-meter industrial decarbonization. Mr. Spang joined former FERC Chair Jon Wellinghoff and other forward-thinking energy and manufacturing experts.

Before co-founding Advanced Power, Mr. Spang was vice president and head of UK development for InterGen in Edinburgh and London. There, he led the development and financing of the successful 860 MW Spalding project – a combined-cycle natural gas facility placed in service during 2002 to further the displacement of coal for power production.

Mr. Spang was also vice president of asset management for InterGen in Boston, where he successfully restructured the organization’s insurance programs, delivering significant savings. Prior to joining InterGen, Mr. Spang was a developer for J. Makowski Company, the Boston-based company that premiered independent, large-scale power plants in the U.S. Mr. Spang engaged in the development of projects in the U.S., Canada, the Netherlands, Germany, Portugal, and Spain.

Mr. Spang has a BA in economics from Hobart College in New York and is father to an adult son and daughter. An avid skier, he lives in the greater Boston area with his wife of 25 years, Betsy.

Mr. Winslow has over 20 years of experience in business development in the environmental and energy sectors. Since joining Advanced Power in 2007, he has held roles in finance and development of increasing responsibility. His experience includes the development and commercialization of over 3,000 MWs of highly-efficient low-carbon electric generation and over $4Billion in structured project financing in North America and Europe.

Mr. Winslow was the Project Manager of Advanced Power’s 700 MW Carroll County Energy project, where he successfully originated, developed and led the project team to a project financing in April 2015. Subsequent to Carroll County Energy financing Mr. Winslow completed the development, commercialization and equity raise of Advanced Power’s 1,100MW Cricket Valley Energy project in January 2017. Overseeing Advanced Power’s development team, Advanced Power has successfully completed the development and financing of Advanced Power’s 1,100 MW South Field Energy project in August 2018.

Prior to joining Advanced Power, Mr. Winslow was an integral part of a team at JCI Holdings responsible for the development and launch of several major infrastructure projects and environmental and energy start-up companies throughout the Northeast United States.

Mr. Winslow has a Bachelor of Science degree in secondary education and environmental sciences from the University of Vermont and an MBA in finance from Northeastern University.

Chuck Davis is President of Advanced Power Asset Management with responsibility for the management of Advanced Power’s investments under construction and in operation.  He is also a member of the Senior Management Committee.

Mr. Davis has 30 years of experience in energy infrastructure development, finance, investment and general management. His experience with major infrastructure projects includes management of the full green-field development cycle, from inception through financing, as well as leadership and management of operating businesses. Prior to joining Advanced Power Mr. Davis was President and CEO of Drax Biomass, where he led the establishment of Drax Power’s US pellet manufacturing and logistics business, which included over 1 million tons/year of wood pellet manufacturing capacity and an associated port facility. Before that, he was a Senior Advisor with Morgan Stanley Infrastructure Partners, where he managed portfolio company investments. At InterGen and J. Makowski Associates he held senior management positions in the USA, Europe and Asia, both as a project developer and as head of InterGen’s UK business.  Before his civilian career, he served in the United States Marine Corps. Mr. Davis holds a BA from Tufts University and an MBA from Dartmouth College’s Tuck School of Business Administration.

Todd Magura is Chief Financial Officer and a member of the Senior Management Committee.  Mr. Magura has global responsibility for equity and debt finance, treasury, accounting, tax, planning and risk management.

Mr. Magura brings 24 years of financial experience in the power industry across project finance, corporate finance, treasury, accounting and planning.  His experience includes the raising of approximately $7 billion of project equity and debt to support the development, construction or acquisition of twelve power generation and gas infrastructure projects in the United States and Mexico and $5 billion of corporate financing with High Yield, Term Loan B and Commercial Bank investors.  Mr. Magura has also served in variety of positions within the treasury, accounting and planning disciplines during his career.  Prior to joining Advanced Power in 2014, Mr. Magura was Director, Finance & Treasury at InterGen.    Prior to InterGen, Mr. Magura was a Senior Auditor at Deloitte & Touche.

Mr. Magura has a Bachelor of Science degree in Accounting and Management Information Systems from Babson College.

Andrew Degon is Senior Vice President of Engineering and Construction and a member of the Senior Management Committee. Mr. Degon has global responsibility for all technical issues related to development, construction and operations.

Mr. Degon has 20+ years of experience in the power industry with expertise in development engineering, construction management, and contract negotiations for combined cycle and utility scale solar technologies. His experience includes the development and construction of over 6,000 MW of electric generating facilities, negotiating $2.5 billion in EPC contracts and $500 million of long-term service agreements with OEMs.

Prior to joining Advanced Power in 2013, Mr. Degon held various engineering positions for independent power producers, including LS Power, GenPower and Capital Power.  During his employment at LS Power, Mr. Degon worked on the development of Plum Point, Sandy Creek and West Deptford power plants and provided technical due diligence on the acquisition of 10,000 MW of thermal generation assets.  While at GenPower, Mr. Degon conducted construction management for the Longview Power Plant in West Virginia.  Shortly before joining Advanced Power, Mr. Degon provided technical oversight for a number of operating assets located in the Northeast for Capital Power.

Mr. Degon has a Bachelor of Science degree in Mechanical Engineering from Rutgers University.

Martin Bashall is the Group General Counsel, Executive Board Member, Secretary of the Board and a Founding Shareholder of Advanced Power. Mr. Bashall is responsible for Advanced Power’s legal and corporate governance affairs. He is also a member of Advanced Power’s Senior Management Committee.

Prior to his joining Advanced Power, Mr. Bashall was with InterGen as Vice President and regional General Counsel for Europe, Africa and the Middle East. Before joining InterGen, Mr. Bashall was in private practice with the law firms of Chadbourne & Parke, Clifford Chance and Freshfields.

Mr. Bashall holds a Bachelor of Laws degree from the University of Rhodesia, is a solicitor of the High Court of Justice for England and Wales and a member of the International Bar Association.

Wendy Irwin is vice president of business operations and a member of the Senior Management Committee at Advanced Power. She has more than 12 years of experience leading the strategic and technical functions vital to AP’s successful business operations. Some of her major areas of responsibility include human resources and benefits administration; corporate communications and public relations; and oversight of the technical systems and facilities to support the flow of data, information, and communication across multiple headquarters and remote offices each day.

Creating and maintaining a positive workforce has been Ms. Irwin’s career-long passion and priority. Under her welcoming, approachable leadership style, AP’s workforce has increased by 500% since 2010, despite stiff competition for the highly skilled talent required for energy project development and management. Her strategies for providing the best mix of tools, training, and talent have been foundational to Advanced Power’s positive workplace culture. In fact, a recent employee satisfaction survey revealed that 90% of the workforce describe themselves as happy in their roles and 100% describe their relationship with leadership as good or excellent.

Carlos Riva was named Chairman of the Board of Advanced Power in 2021.  He has served the company since 2006 as a Non-Executive Board Director and member of the Advisory Council. 

Mr. Riva is the Chief Executive Officer of Poseidon Water LLC, a leading seawater desalination developer, and the former President and Chief Executive Officer of Verenium Corporation, a technology company dedicated to commercializing next-generation biofuels and specialty enzymes. Previously, he was an executive director of Amec plc with responsibility for the company’s activities in the United Kingdom and the Americas. Mr. Riva has extensive experience in the electric power industry, having served as the founding Chief Executive of InterGen, a global power company, and as President of J. Makowski Company, developer of the first independent power project in the United States. He is also a former non-executive director of Airtricity. He is past president of the Electric Generation Association and former member of the Coal Industry Advisory Board of the IEA.

Mr. Riva holds degrees in civil engineering from MIT and Stanford University and an MBA from Harvard Business School.

Tom Spang is the CEO of Advanced Power. He is an Executive Board Member, a member of the Senior Management Committee and a Founding Shareholder of Advanced Power.

Mr. Spang has more than 25 years of experience in the development, financing, investment and management of electric generating facilities.   Before co-founding Advanced Power, he was Vice President and Head of UK Development for InterGen in Edinburgh and London, where he successfully led the development and financing of the 860 MW Spalding project. Mr. Spang was also Vice President, Asset Management for InterGen in Boston, where he was responsible for successfully restructuring InterGen’s insurance program. Prior to joining InterGen, Mr. Spang was a developer for J. Makowski Company, a Boston-based developer of CHP and IPP projects, where he was involved in the development of projects in USA, Canada, the Netherlands, Germany, Portugal and Spain.

Mr. Spang has a BA in economics from Hobart College in New York.

Martin Giesen is a Founding Shareholder of Advanced Power. Dr. Giesen was Chairman of the Board of Advanced Power since 2014. In June 2021, he stepped down as Chairman, but he remains an active member of the Advanced Power Board. Prior to this, he has been CEO of Advanced Power since 2007. Dr.Giesen joined Advanced Power in 2001 as COO. He was primarily responsible for the development of the Malženice Power project, which was successfully sold to E.ON in 2006. Prior to his involvement in Advanced Power, Dr. Giesen provided development and consulting services with respect to power generation and gas procurement to companies such as RWE, NUON, and InterGen. Until 2001, Dr.Giesen worked for InterGen as Vice President with regional responsibility for Germany, the Benelux countries, and Scandinavia as Regional Development Coordinator for all of InterGen's development activities in Europe, Africa, and the Middle East and South Asia. Prior to his involvement in InterGEn, Dr. Giesen worked for TransCanada Pipelines. 

Dr. Giesen gained a B.Sc. in Engineering and Applied Sciences and a Doctorate of Philosophy at the University of Sussex in the UK. 

Peter Ramm is an Executive Board member and a Founding Shareholder of Advanced Power. With more than 35 years of experience in the energy sector and with his deep knowledge of the European energy markets, Mr. Ramm provides advice and guidance to Advanced Power’s development and asset management teams operating in Europe.

Prior to Advanced Power Mr. Ramm was responsible for many different technical aspects on more than 5GW of projects through the development, project financing, construction and operation phases. He has detailed knowledge of all the major manufacturers, technologies and solutions to today’s power generation challenges.

Mr. Ramm is a Fellow of the IMechE and has a MA and a BA (Hons) in Engineering from Cambridge University.

Martin Bashall is the Group General Counsel, Executive Board Member, Secretary of the Board and a Founding Shareholder of Advanced Power. Mr. Bashall is responsible for Advanced Power’s legal and corporate governance affairs. He is also a member of Advanced Power’s Senior Management Committee.

Prior to his joining Advanced Power, Mr. Bashall was with InterGen as Vice President and regional General Counsel for Europe, Africa and the Middle East. Before joining InterGen, Mr. Bashall was in private practice with the law firms of Chadbourne & Parke, Clifford Chance and Freshfields.

Mr. Bashall holds a Bachelor of Laws degree from the University of Rhodesia. He is a solicitor of the High Court of Justice for England and Wales and a member of the International Bar Association.