Found 2,131 investors
John Galbraith
San Francisco, California, United States
John Galbraith is the founder of Galbraith Ventures, LLC which invests in early stage technology companies, real estate, and energy companie...
Individual/Angel
John Kelleher
United States
Mr. Corey Salka serves as Board Member at E8. He Co-Founded and served as Chief Executive Officer at Omage Labs. He serves as Outreach Co-Chair at Element 8. He is a Cleantech investor and advisor, design thinking consultant, and environmental non-profit supporter. He has over 20 years of experience in software design, R&D management, product management, and international business development. He spent 17 years in senior roles at Microsoft, where he initiated the company's entry into Business Intelligence (BI) and played a key role in growing a startup team into a billion-dollar business. He led product development teams in multiple divisions, drove several highly successful acquisitions, and designed Excel data analysis features. Prior to Microsoft, He held Senior Consultant and Product Manager positions with Information Resources in Boston. Among his clean tech interests are the application of data, analytics software and design to facilitate energy conservation behavior. He serves on the Rocky Mountain Institute's National Solutions Council Steering Committee, and is on the Board of Directors of the Greater Seattle Jewish Federation. He has an undergraduate degree in psychology from the University of California, and an MBA from Northeastern University.
Individual/Angel
John Koelmel
United States
Dr. Chris Stolte is a Co-Founder and serves as the Board Member and Technical Advisor at Tableau Software. He is responsible for product strategy, product design, and engineering. Prior to co-founding Tableau, he spent six years researching the analysis and exploration of multidimensional databases at Stanford University, culminating in the Polaris system which was the basis for Tableau's first products. He was also the CTO and co-founder of BeeLine Systems, a visualization software company that developed a map rendering system and was purchased by Vicinity Corporation (NASDAQ: VCNT). He is a co-inventor on five software patents related to information visualization. He also serves as Board Member at Breakthrough Energy Ventures. He holds a Ph.D. in Computer Science from Stanford University and a B.S. in Computer Science from Simon Fraser University. He is also an Angel Investor.
Individual/Angel
John Metzger
United Kingdom
Mr. Greg Jackson is a Co-Founder and serves as Chief Executive Officer at Octopus Energy. He also serves as Senior Advisor at Ashcombe Advisers. He is a serial entrepreneur who advises businesses on technology and marketing, from start-up to FTSE listed companies. He began his career programming video games, before joining Procter & Gamble in brand management. He was a Board Member of Zopa. He was a founding partner of digital agency C360, which was sold to Tangent PLC in 2006. He has spent the last few years helping develop the online business of established and innovative organizations including SAP, whipcar.com and Nails Inc. He specializes in technology strategy and implementation, e-commerce, marketing strategy and implementation, start-ups and business development. In addition to his work for Ashcombe, he sits on the board of Rentify.
Individual/Angel
John Simms
United States
Mr. Justin Dawe serves as Chief Executive Officer at Scoot Networks. He founded and also served as its Chief Executive Officer at Butter Home Services. He is an Angel Investor. Justin Dawe was the Co-Founder & Chief Executive Officer at C12 Energy. He holds a BS in Manufacturing Engineering and an MS in Engineering-Economic Systems, both from Stanford University, as well as an MBA from Harvard Business School.
Individual/Angel
Joris Jonker
Amsterdam, Noord-Holland, The Netherlands
Founder of consumer product company Quby building Internet Of Things services for home energy management. International business developer, ...
Individual/Angel
Jornic Ventures
Canada
Founded in 1995, Jornic Ventures is an investment firm based in Calgary, Canada. The firm seeks to invets in companies operating in the agriculture, technology, energy and real estate sectors.
Venture Capital
Joshua Goldstein
United States
Mr. Thomas Willis is an angel investor. He serves as a Board Member at OspreyData. He serves as Partner at WillMac Health. Thomas brings a breadth of expertise in Oil & Gas along with long-term experience in commercial real estate investment to the OspreyData board. Thomas is a true entrepreneur and has been actively involved in numerous early-stage businesses in the United States. He is a co-founding partner of E-T Energy, a Calgary-based company specializing in the Electro-Thermal Dynamic Stripping Process and holding a 100% working interest in 10,560 acres in Northern Alberta. He is also a co-managing partner in Tom-Tom Operating, LLC, an operator of oil & gas properties in west Texas. Thomas owns Willis Realty Advisors, a commercial real estate investment and brokerage company in Dallas, Texas. He has been in the commercial real estate business for over 35 years. Thomas is a graduate of Texas Tech University where he earned a degree in Finance and Real Estate.
Individual/Angel
Joules Accelerator
Charlotte, North Carolina, United States
Joules works with some of the largest energy companies in the US to catalyze business development for exceptional energy entrepreneurs.
Accelerator
J. Sassoon Group
United States
Found in 2020, J.Sassoon Group is a private equity firm based in Washington DC, United States. The firm prefers to invest in technology, biotechnology and life sciences, mining, renewable and clean energy, and commercial real estate.
Private Equity Firm
JSTAR
United States
JSTAR is a private equity firm based in New York, New York. The firm seeks to invest in business services, manufacturing and distribution, complex assembly and aerospace, energy, medical and dental, fintech and credit, food and restaurant, and consumer brands and e-commerce sectors.
Private Equity Firm
J&T Ventures
Czech Republic
Founded in 2014, J&T Ventures is a venture capital firm based in Prague, Czech Republic. The firm seeks to invest in companies operating in the transport, energy, retail, agriculture, information technology, big data, fintech, education, healthcare and internet sectors.
Venture Capital
Julian Kyula
Czech Republic
Mr. Martin Rajcan serves as General Partner at Kaya VC. Mr. Rajcan serves as Venture Partner at Blue Bear Capital. Martin is closely involved in the investment process at Blue Bear Capital. Martin's investment experience spans the spectrum from seed-stage businesses to mature buy-outs across industries and geographies. Martin currently serves as CFO at Priori Data, a market intelligence software utilizing big data in the mobile app analytics space. He is also an active angel investor in primarily US-based businesses. Martin's investment approach is shaped by nearly ten years of experiences at KKR Private Equity in London and Morgan Stanley's Investment Banking team in New York, Singapore, and Hong Kong, in both cases with a heavy focus on the energy sector. He was active at the board level in KKR's investments in Acteon, Flowstream Commodities, Consorcio SSFD, U.N. Ro-Ro, and others. Martin graduated as class valedictorian from Middlebury College, VT in 2006 with a Bachelor of Arts in Economics and Chinese Language & Literature. Martin is a Trustee of NESsT UK, an organization that enables workforce integration of marginalised groups of transition economies in Eastern Europe and Latin America.
Individual/Angel
Julie Greco
Chicago, Illinois
Associate @ Energy Capital Ventures
BioTech
ClimateTech/CleanTech
EnergyTech
FinTech
Marketplaces
Julien Peyridieux
Finland
Profita Management is a Helsinki, Finland based private equity firm. The firm prefers to invest in the telecommunication, machinery, construction, energy, maintenance services, information technology and manufacturing sectors.
Private Equity Firm
Junction Capital Partners
United States
Founded in 2017, Junction Energy Capital is a private equity firm based in Houston, Texas. The firm invests in infrastructure assets across industries, with a primary focus on control-oriented growth investments.
Private Equity Firm
Junction Energy Capital
Houston, Texas, United States
Junction Energy Capital invests in midstream and downstream energy assets, with a primary focus on control-oriented investments.
Private Equity Firm
Juning Venture Capital
China
Founded in 2008, Juning Venture Capital is the corporate venture arm of Juning Group based in Jiangsu, China. The firm seeks to make investments in sectors like renewable energy, advanced material, information technology, and biotechnology.
Venture Capital
Jupiter Holdings
United States
Founded in 1997, Jupiter Holdings is a private equity firm specializing based in Newport Beach, California. The firm invests in three primary areas: real estate, private equity, and marketable securities. The firm seeks to invest in companies based in the United States. The firm prefers to invest in the companies operating in the consumer products and services, retail and restaurants, franchisees, business services, basic manufacturing, value-added distribution, healthcare services, energy, transportation, and distribution sectors. The firm seeks to invest in the office, industrial, retail, hospitality, single/ multi-family residential, self-storage, land, and non-performing debt real estate properties.
Private Equity Firm
Jupiter Island Capital
United States
Founded in 2021, Jupiter Island Capital is a private equity firm based in Jupiter, Florida. The firm prefers to invest through means of buyouts, management buyouts, corporate divestiture, recapitalization, and growth capital. The firm prefers to invest in energy, cleantech, climate tech, autonomous cars, augmented reality, virtual reality, and the internet of things sectors based in the United States and Canada.
Private Equity Firm
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