Stephan Tennsel
Chairman & CEO
Stephan Tennsel, Principal, is the Founder and CEO of Space Energy.
Stephan has thirty years experience in entrepreneurship, real estate and property development around the world.
As acting CEO with Resort and Properties - one of Spain’s largest developers – Stephan oversaw 1800 employees and an annual turnover exceeding $200m. With SBT Developments – a real estate developer in Asia-Pacific – Stephan spent eight years growing SBT to a turnover of $125m and oversaw its operations throughout the region, from Auckland to Taipei. Stephan’s own real estate and development company, United Paradise AG, grew to 700 employees and an annual turnover of $100m in six years of operations.
After real estate development Stephan spent years researching game changing technologies in renewable energy and developing relationships with some of the most knowledgeable professionals in the Space Industry worldwide.
He is fluent in seven languages (Swedish, Norwegian, English, Danish, German, French and Spanish), has exceptional communication skills, and an in-depth understanding of cross-cultural business practices. This makes him highly adept at developing strategic partnerships with the Unites States Government, International Governments and other diverse stakeholders needed to make Space Energy a success.
Prior to launching his career in business, Stephan served in the Swedish Military Special Forces, which created a unique foundation and served him well throughout his career.
Peter Sage
Principal, Director of Global Marketing Communications

Peter Sage, Principal, is a Co-founder of Space Energy and its Director of Global Marketing and Communications.
Peter is a serial entrepreneur, having launched, operated and brought to success multiple companies,six of which were large enough to qualify for the Entrepreneur Organisation membership. He brings to Space Energy twenty years of experience in growing fast-paced enterprises, typically by identifying and creating value propositions to leverage relationships and access required resources.As a frequent public speaker on business topics he is well placed to effectively communicate the vision and developments of Space Energy to the rest of the world.
Peter is an expert in personal development and a qualified trainer for Robbins Reserach International. He has travelled internationally to mentor and train people from diverse backgrounds (from super achievers and successful businessmen to the homeless, drug addicts and abuse cases) and brings those skills and concepts to the creation and development of the rest of the Space Energy team.
He has been featured in various entrepreneurial publications, and was recently nominated for the prestigious "Extraordinary Lives Award" by the largest social entrepreneurs organisation - XL Nation. Peter is a philanthropist and an active supporter of multiple charitable causes and serves on the Board of Advisors for INSEAD - a global top five business school and one of the leaders in the field of entrepreneurship education.
Dr. Feng Hsu
Sr. Vice President, Systems Engineering & Risk Management
Dr. Feng Hsu, the Senior Vice President of Technology, Systems Engineering & Risk Management. Dr. Hsu is a world renowned expert and former research fellow of Brookhaven National Laboratory in the fields of risk assessment, risk-based decision making, safety & reliability and mission assurances for nuclear power, space launch, energy infrastructure and other high integrity social and engineering systems.
Dr. Hsu was until recently head of the NASA GSFC risk management function, and was the GSFC lead on the NASA-MIT joint project for risk-informed decision-making support on key NASA programs, as GPM, LSS and the CxP etc. He was also a leading engineer/scientist in the Shuttle and Exploration Analysis Department at JSC in Houston, and led key projects such as the Shuttle PRA modeling & integration; SLEP and Shuttle upgrade trade studies. Dr. Hsu served on many agency and center expert panels supporting challenging SMA issues, including his key roles in the STS-107 (Space Shuttle Columbia) investigation team, the Return to Flight team, and ECO expert team for the Discovery mission.
Dr. Hsu has over 90 publications and is co-author of two books and co-chair of several technical committees. He is frequently invited as a keynote speaker on many international forums, and is increasingly dedicated to frontier research ranging from human space exploration; solar energy to global collective intelligence and risk based policy-making on emerging environmental and energy security issues. Dr. Hsu holds a bachelors degree in Applied Math, masters degree in Operations Research and Statistics and a doctoral degree in Engineering Science.
As senior advisory of Aerospace Technology Working Group (ATWG) and a co-founder of Space Development Steering Committee, Dr. Hsu has been a strong advocate for SBSP for years and was instrumental in instigating the 2007 NSSO study on space solar energy and has contributed whole-heartedly to the great human endeavor of harnessing solar energy for sustainable human development.
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