Helen Zelman Boniske is a Co-Founder and Partner at Lemnos VC. See sector focus and contact routes.
Helen Zelman Boniske is a Co-Founder and Partner at Lemnos VC, an early-stage venture firm focused on hardware and deep technology, where she leverages a Mechanical Engineering degree from MIT and prior experience in Arizona Diamondbacks operations to support founders. Her investment thesis targets pre-seed and seed stages in sectors including robotics, AI hardware, aerospace, advanced manufacturing, IoT, and sustainable tech, with a geographic focus on the San Francisco Bay Area, Los Angeles, Seattle/Portland, and Colorado/Utah. Typical check sizes range from $500,000 to $1.3 million, with a sweet spot around $750,000, and she often acts as a lead investor in these earliest hardware rounds. Notable portfolio companies she has backed include Spire Global, Swift Navigation, Built Robotics, and Airware, all of which are hardware or deep tech startups. Boniske is recognized for her distinctive point of view on the critical early stages of hardware building, emphasizing that “every dollar counts, every hour matters, and each decision is crucial to success or failure”. She is also actively involved in supporting diverse and female founders in physical
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