
Heissam Hartmann
Founder & Consultant: Digital, startups, entertainment, sports, tech, Web3, and philanthropy
mrheissam
Berlin Metropolitan Area
Joined January 2026
Network
13.9K connectionsSummary
Heissam Hartmann is a highly experienced entrepreneur and consultant with over two decades in digital and startup environments. His career highlights include key roles at major internet companies like eBay (where he was involved from the early days of Alando.de, eventually becoming Head of Entertainment and Senior Manager for Switzerland & Austria), MyVideo, Brands4Friends, and Rebate Networks. He has a proven track record in building and scaling online businesses, demonstrated by successfully selling his online postcard service AhaOho. about+1
Heissam possesses a strong expertise in connecting the entertainment, sports, and tech industries, often leveraging celebrity and influencer partnerships. This is evident through his founding of Passiontainment, a company dedicated to fostering innovative collaborations in these sectors, and his advisory work with companies like Stryking, where he facilitated a partnership with football legend Luís Figo. passiontainment+2
Heissam is a proponent of Web3 technologies, actively engaging in the blockchain and NFT space for both commercial and philanthropic ventures. As the Founder and Chairman of UBUNɅTION, he leads a Web3 company focused on humanitarian efforts, mobilizing support for causes like building schools in Kenya through digital collectibles and charitable campaigns. ubunation+4
In addition to his entrepreneurial roles, Heissam is an active business consultant and angel investor, providing guidance and capital to startups. He is a partner at digitalentsgroup and runs mrHeissam Consulting, focusing on digital business, expansion, growth, and lead generation for emerging companies. He also served as VP Eastern Europe at Rebate Networks, focusing on investment management and business acquisitions. about+2
Work
Education
Similar profiles
TW
Thomas Wilke
Entrepreneur and Investor / General Partner at 42CAP at 42CAP
24.3K connections
CVChristian Vollmann
Board Member at Allego
14.7K connections
RRRasmus Rothe
Shareholders‘ Committee at CLAAS
44.9K connections
CJChristoph Janz
Managing Partner at Point Nine
62.6K connections
CEChristian Edler
Scout Partner at Sequoia Capital
25.8K connections
MBMarkus Berger-De León
Chief Operating Officer at Taxfix
18.8K connections
TWCVRRCJCEMB
Thomas Wilke
Entrepreneur and Investor / General Partner at 42CAP at 42CAP
Christian Vollmann
Board Member at Allego
Rasmus Rothe
Shareholders‘ Committee at CLAAS
Christoph Janz
Managing Partner at Point Nine
Christian Edler
Scout Partner at Sequoia Capital
Markus Berger-De León
Chief Operating Officer at Taxfix