Kirby Winfield

Kirby Winfield

First Check at Endurance Energy
Greater Seattle Area

Kirby Winfield is Investor in Residence at AI2 Incubator and the Founder and Founding General Partner at Ascend. He founded Ascend and Ascend.vc, both funds, and remains active in both.

Seattle Venture Capital Investment Falls to $1.11 Billion in H1 2023, Yet Investors Stay Bullish on AI and Talent

Despite a significant decline in venture capital investments in Seattle, local investors remain optimistic about the region's future, driven by its strong talent pool and growth in generative AI. Seattle startups raised $1.11 billion in the first half of this year, down from $4.02 billion last year, reflecting a cautious shift toward profitability amid a market downturn similar to the dot-com bubble.

Silicon Valley Bank Collapse Prompts Full Deposit Protection but Signals Banking Challenges for Startups and Tech Industry

Silicon Valley Bank's collapse has led the U.S. government to fully protect all deposits, yet it raises significant challenges for startups and the tech industry, including more complex banking and cash management. Venture capitalists predict difficulties with venture debt financing and potential tech layoffs amid reduced venture capital investing.

GeekWire Elevator Pitch Season 3 Finale Features Four CEOs Competing Live at GeekWire Summit

The season three finale of GeekWire’s Elevator Pitch featured four startup CEOs pitching their businesses live at the GeekWire Summit, competing for top honors in categories like fintech, sustainability, and consumer products. The finalists included Devin Miller of SecureSave, Amina Moreau of Radious, Erin Quick of PairTree, and Katherine Sizov of Strella Biotechnology.

GeekWire Elevator Pitch Final Episode Features Seattle Sustainability Startups Competing for 2022 Summit Finale Spot

The final episode of GeekWire's Elevator Pitch features three Seattle-area sustainability startup CEOs pitching their innovations in a timed elevator ride, with the winner advancing to the live finale at the 2022 GeekWire Summit on October 6. The startups include Strella Biotechnology, BattGenie, and Aquagga, focusing on produce ripeness sensing, battery longevity, and PFAS destruction respectively.

Bizible founder Aaron Bird raises $5.1M to launch Seattle B2B startup studio Pienza

Aaron Bird, founder of Bizible, launched Seattle startup studio Pienza and raised $5.1 million from MHS Capital, Version One Ventures, Vulcan Capital and angels to build a small portfolio of B2B software companies. Pienza will focus on fewer, highly concentrated bets, put most of the funding into portfolio companies, keep a lean internal team, and Bird will forgo a salary.

Kirby Winfield, whose AdXpose sold to comScore for $22M, named CEO of Dwellable

Kirby Winfield, founder of AdXpose which sold to comScore for $22 million, was named CEO of Dwellable, a vacation-rental search service founded by Adam Doppelt; he replaces Brenda Spoonemore, who transitions to advisor and investor. Winfield cites limited online discoverability of rentals, Dwellable's mobile leadership, and growth potential as reasons for taking the role.

Organizations

See all 14
  • Endurance Energy logo
    Endurance Energy First Check 2025–present · current
  • Overland AI logo
    Overland AI First Check 2023–present · current
  • Ascend logo
    Ascend Founder and Founding General Partner 2019–present · current

Education

  • Seattle University School of Law Coursework towards JD · 2002–2003
  • Middlebury College BA, English · 1992–1996
  • Seattle Preparatory School 1988–1992
  • Assumption School 1986–1988
  • Seattle Country Day School 1980–1986

Online