SJF Ventures

SJF Ventures, established in 1999, is a North Carolina-based venture capital firm with additional offices in New York and San Francisco. The firm specializes in growth-equity investments, typically ranging from $1 million to $10 million, focusing on companies in the United States. SJF Ventures concentrates on two primary sectors: resource efficiency and sustainability, including areas like energy efficiency, sustainable agriculture, and waste reduction; and technology-enhanced services, such as digital media, education technology, and enterprise software. The firm seeks to invest in companies with strong business models, experienced teams, and the potential for rapid growth and profitability. Additionally, SJF Ventures is committed to impact investing, targeting companies that positively impact energy, education, agriculture, health, and climate. The firm aims to exit investments within five years through strategic mergers, IPOs, or buyouts.

Joey Barrick

Senior Associate

Perry Clarkson

Principal

Rick Defieux

Co-Founder, Chairman of Investment Committee

Daniel Geballe

Managing Director

David Griest

Managing Director

Kelsey Jarrett

Director of Impact

Arrun Kapoor

Managing Director

Alan Kelley

Managing Director

Dave Kirkpatrick

Co-Founder and Managing Director

Jackie Lipkin

Principal

Cody Nystrom

Managing Director

Anna Rumer

Associate, Portfolio Acceleration

Past deals in Search Engine Optimization

Respondology

Series A in 2025
Respondology LLC is a Boulder, Colorado-based company that operates a Cost-Per-Click reply-based advertising platform designed to transform social media channels into effective advertising mediums. By analyzing millions of social posts daily, Respondology identifies customer sentiment and intent, enabling real-time marketing responses. The platform not only facilitates engagement with consumers based on their immediate wants and needs but also offers management tools for marketers to estimate, build, and optimize campaigns for better return on investment. Additionally, Respondology provides robust comment moderation solutions, allowing businesses to manage their online presence by swiftly removing harmful comments and spam across various social media platforms. This combination of advertising and moderation capabilities positions Respondology as a unique player in the social media landscape, helping brands maintain control and enhance their marketing efforts. The company was founded in 2008.

Respondology

Series A in 2023
Respondology LLC is a Boulder, Colorado-based company that operates a Cost-Per-Click reply-based advertising platform designed to transform social media channels into effective advertising mediums. By analyzing millions of social posts daily, Respondology identifies customer sentiment and intent, enabling real-time marketing responses. The platform not only facilitates engagement with consumers based on their immediate wants and needs but also offers management tools for marketers to estimate, build, and optimize campaigns for better return on investment. Additionally, Respondology provides robust comment moderation solutions, allowing businesses to manage their online presence by swiftly removing harmful comments and spam across various social media platforms. This combination of advertising and moderation capabilities positions Respondology as a unique player in the social media landscape, helping brands maintain control and enhance their marketing efforts. The company was founded in 2008.

MediaMath

Series B in 2011
MediaMath, Inc. is a digital advertising technology company that specializes in providing solutions for advertisers globally. Founded in 2007 and headquartered in New York, the company offers its TerminalOne platform, which facilitates data activation, automated execution, and optimization of advertising interactions across various media channels. MediaMath's programmatic marketing platform enhances customer engagement by utilizing predictive audience targeting and machine learning to ensure relevant messaging. In addition to its technology offerings, the company provides professional services that include programmatic strategy, analytics, technology support, and advertising operations, as well as training and certification programs in digital marketing. MediaMath operates additional offices in several cities across the United States and internationally, including London, Madrid, Berlin, Singapore, Tokyo, Sao Paulo, Sydney, Melbourne, and Bengaluru.
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