Investing Profile

Marc Tarpenning

InvestorVC
Venture Partner at Spero Ventures
spero.vc/team/marc-tarpenning...San Francisco Bay Area
Photo of Marc Tarpenning, Partner at Spero Ventures

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$250K - $5.0M
$2.0M
12
$100M
CompanyStageDateRound SizeTotal Raised
Telo Trucks
Series ASep 2025$20M
SeedMar 2024$5M
$25M
Wattch
SeedAug 2025$6M
SeedJan 2023$4M
$10M
Artelize
SeedJul 2025$2M
$2M
Corvus Robotics
Series AOct 2024$18M
$18M
Co-investors: Charles Zedlewski
Hylight
SeedApr 2024$4M
$4M
Singularity Energy
SeedMay 2022$5M
$5M
Co-investors: Sameer Reddy (Energy Impact Partners)
Mast Reforestation
Series ASep 2021$36M
$61M
Co-investors: Julius Genachowski, Tobias Lutke
Clarity Movement
Series AMar 2020$5M
$5M
• Personal transportation using energy other than oil • Primary education • Energy storage • Urban farming • Decentralized utilities • Large-scale water desalinization • New nuclear technologies • Government policy on energy, education, transportation and water