# Mark Sanor

> Mark Sanor is the New York-based CEO and founder of 360 One Firm (361Firm). After legal and corporate finance work in Cleveland and Moscow and approximately a decade with a single family office, he built a global investor community informed by his alumni roundtables and Arthur Andersen’s One Firm culture. His work connects investing, capital raising, strategic partners, talent and philanthropy.

- **Role:** CEO & Founder at 360 One Firm (361Firm)
- **Organizations:** 360 One Firm (361Firm), Alumni Connecting, Denison Connecting!, Michigan Connecting!, 361Foundation, Arthur Andersen, EY, Price Waterhouse, Hahn Loeser & Parks, MLV & Co.
- **Nationality:** American
- **Education:** B.A., Denison University, J.D., University of Michigan Law School, LLM program coursework; completion of a degree not verified, Leiden University, Executive education, INSEAD
- **Known for:** Founded 361Firm and developed a global family office and investor community., Built alumni roundtable programs through Denison Connecting! and Michigan Connecting!., Advised on structured financing that included a $200 million syndicated credit line for the City of Moscow, according to an EY presentation.

## Career timeline

- **1990** — Graduated from Denison University.
- **1993** — Graduated from Michigan Law and joined Hahn Loeser & Parks in Cleveland as an associate.
- **1997-1998** — Worked at Price Waterhouse in Moscow.
- **1998-2002** — Partner at Arthur Andersen in corporate finance.
- **2002-2004** — Partner in transaction advisory services at EY in Russia/CIS.
- **2004-2005** — Returned to New York; developed a single-family-office partnership and began alumni networking gatherings. Public accounts differ on the precise return year.
- **2013-2015** — Managing Director and Co-Head of Merchant Banking at MLV & Co.
- **2015** — Founded 361Firm, according to his own accounts; some directories list the CEO role from 2016.
- **2017** — Founded Michigan Connecting!, according to his LinkedIn volunteer history.
- **2018** — Expanded roundtable gatherings into conferences, according to his retrospective video.
- **2025** — Announced 361Firm.Digital at the Newport gathering in July.

## Achievements

- Founded 361Firm and developed a global family office and investor community.
- Built alumni roundtable programs through Denison Connecting! and Michigan Connecting!.
- Advised on structured financing that included a $200 million syndicated credit line for the City of Moscow, according to an EY presentation.
- Lists Denison University’s Presidential Medal (1993) on his LinkedIn profile.

## Latest updates

- **2025-07** — Launched 361Firm.Digital at Newport, describing an AI agent using community conversations and content.
- **2026-06** — Published LinkedIn invitations for briefings on growth and economic shocks, China’s economy and affordable housing.
- **2026-10** — 361Firm’s public calendar lists its seventh New York Philanthropy, Impact & NextGen Summit for October 14-15 and its ninth Global Flagship Conference for November 17-18; these were upcoming at research time.

## Links

- Website: https://361firm.com
- LinkedIn: https://www.linkedin.com/in/marksanor

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Profile page: https://yespress.io/mark-sanor
Published by YesPress — https://yespress.io
Last updated: 2026-10-10