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Sean O'brien
Managing Partner at Overline Investor
Atlanta, Georgia
Overview
Sean O'Brien is the Managing Partner at Overline VC in Atlanta, Georgia, where he specializes in strategic planning, fundraising, and entrepreneurship. With a background in advising and mentoring various startups, he has successfully invested in companies like The Zero Proof and Grubbly Farms, contributing to their growth and success.
Work Experience
Board Observer
2023 - Current
Carpool is a car shipping marketplace. Our platform enables multiple clients to share space on one truck, lowering cost and emissions.
Raised $3,500,000.00 from Atlanta Ventures, Overline and Atlanta Ventures.
Managing Partner
2019
Overline is an Atlanta-based, founder-operator led venture capital firm focused on investing in startups in the Southeast. We lead pre-seed and seed rounds with checks ranging from $250K to $1.5 million.
Overline is a seed-stage venture capital firm that invests in exceptional founders based in the Southeast.
Advisory Council
2024
Supporting the Southeast's fastest-growing entrepreneurs, helping them think bigger, scale faster, and multiply.
Mentor
2018
Endeavor supports high-impact entrepreneurs around the world. Endeavor Catalyst is the rules-based, co-investment fund of Endeavor.
Raised $130,000,000.00 from Nour Nouf.
Board Member
2020
HopDrive provides shipping, fleet management, and heavy lifting services for cars.
Board Member
2021
BreachRx is the first intelligent incident response platform that provides operational resilience for the entire enterprise.
Raised $6,500,000.00 from SYN Ventures and Overline.
Board Member
2022
Board Member
2021
Resultid provides a software platform that extracts obscured connections between scientific and market data.
Raised $3,376,340.00 from Bantam Group.
Board Observer
2022
Grayscale is a unified employee engagement platform to hire, onboard, and retain your hourly workers.
Raised $13,300,000.00 from Overline, Atlanta Ventures and Jon Hallett.
All Star Mentor
2017
Techstars is an accelerator that provides pre-seed investment and mentoring for various early stage startups.
Raised $108,919,999.00 from SVB Financial Group and Foundry Group.
Board Member
2020 - 2023
Acquired by BigCommerce.
Makeswift is a website builder for ambitious creators, designed to put you in a flow and give you full creative control.
Raised $9,500,000.00 from Kevin Van Gundy, Lee Robinson, Guillermo Rauch, Active Capital, Silicon Road Ventures, Uncommon Capital and Active Capital.