Elaine Zelby

Venture Partner

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Elaine joined SignalFire in 2018 and splits her time between investing out of the seed fund and working with the portfolio on growth and GTM strategy. In 2023, she became a Venture Partner after starting her AI-powered top-of-funnel B2B marketing tool company Tofu.

Prior to joining SignalFire, Elaine built and led the Product Marketing team of nine at ConsenSys working across the portfolio of 50+ incubated companies as well as with the Enterprise Ethereum Association, and the Ethereum Foundation. Before Consensys, Elaine led Enterprise Product Marketing at Slack. Before Slack, Elaine spent 5 years at Capriza, an enterprise software company with investors such as a16z and CRV. She joined as one of the first employees and helped build a variety of functions including marketing, inside sales, lead and demand generation, and product marketing. She is also a co-founder of Product Marketing Masters, a group focused on communication, education and advisory for top Product Marketing professionals. Elaine holds a B.S. and M.S in Mechanical Engineering from Stanford. While not at work, Elaine can be found doing various outdoor activities such as trail running, backpacking, and rock climbing, listening to podcasts, or making things out of wood or metal.


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