Mark Josephson (entrepreneur)

Josephson began his career at Cone Communications in 1994 as an intern, becoming an account manager at the firm.^[4] In 1999, he worked in many roles with About.com, ending as the General Manager and EVP before it was sold to Primedia in 2000.^[1]

In 2003, Josephson become the president & CMO of Seevast.^[1] In 2008, he served as the CEO of Outside.in, until the platform was sold to AOL in 2011.^[5] In 2011, he served as a SVP of Patch Labs and SVP of Revenue and Marketing for Patch and AOL Local.^[6]

In 2013, Josephson became the CEO of Bitly.^[7] The business grew until it was sold to Spectrum Equity in 2017.^[8][9] In 2020, he co-founded Castiron, a software-as-a-service (SaaS) platform and consumer marketplace, and was the CEO until it was sold to The Good Soil Movement in 2024.^[10]

Since 2020, Josephson has been an executive coach, dedicated to helping startup CEOs and leadership teams.^[1]

Josephson resides in Sag Harbor, New York. He is married to Megan.^[11] They have three sons.