David Kirkpatrick is the co-founder and Managing Director of SJF Ventures, a Durham. See sector focus and contact routes.
David Kirkpatrick is the co-founder and Managing Director of SJF Ventures, a Durham, North Carolina-based impact growth equity firm he launched in 1999 [1][2]. His investment thesis targets high-growth companies in climate tech, clean energy, the circular economy, and sustainable food, typically at Series A or B stages [2][7]. Kirkpatrick’s firm generally invests $5–$15 million per deal, with a personal sweet spot around $5 million, and often leads or co-leads rounds in these sectors [7][8]. Notable portfolio companies include Ambient Fuels, Terabase Energy, PosiGen, and ENTOUCH, where he has served on boards [7]. He is recognized as a pioneer in impact investing, combining financial returns with measurable environmental and social impact in clean-energy and sustainable ventures [4]. Kirkpatrick emphasizes positive impact as a core criterion, focusing on rapidly growing businesses that advance climate and clean technology solutions [2][7].
Details on this firm come from filing and round data held in the StartupFundraising directory, refreshed on ingest. Founders use profiles like this one to qualify fit and to shortlist investors in Durham.
Investors like David Kirkpatrick · Full investor directory · Investor access · Company funding database