Sean O'Brien

Sean O'Brien is a seasoned venture capitalist and operator, currently serving as the Co-founder and Managing Partner at Overline VC, an Atlanta-based seed-stage firm. He focuses on identifying and supporting exceptional founders in the Southeast, leveraging his extensive experience in investment banking, hedge fund management, and corporate strategy to lead early-stage funding rounds. overline+1

With a 30-year career that includes a significant 15-year tenure at PGi, a global collaboration software provider, Sean spearheaded strategy and M&A, orchestrating over 30 corporate transactions. His leadership was instrumental in the company's growth, culminating in a private equity exit valued at over $1 billion, demonstrating his expertise in scaling technology businesses and navigating complex financial events. youtube+1

Prior to his operational leadership roles, Sean built a strong foundation in finance, working as a retail and institutional stockbroker at Equitable Securities, managing a hedge fund at Lindzon Capital Management, and founding his own fund, Boru Capital Management. This diverse background provides him with a unique perspective across public and private markets, as well as a deep understanding of investment and capital deployment. youtube+1

Sean is actively involved in the startup ecosystem as an All-Star Mentor at Techstars and a mentor for Endeavor, reflecting his commitment to 'give first' and support the next generation of entrepreneurs. He leverages his vast network and experience to advise and guide numerous early-stage companies and founders. youtube