John McMahon

John McMahon's email & phone

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Chief Executive Officer at SHWDWN|Toronto, Ontario, Canada

Position:

Chief Executive Officer at SHWDWN

Location:

Toronto, Ontario, Canada

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Last updated: 2025-11-19
Updated: 2025-11-19

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Work Experience 29 years

Chief Executive Officer at SHWDWN

Jan 2020 - Current

CEO, Chairman at Prophecy DeFi

Jan 2021 - Current

President & CEO at GenCAN

Jan 2021 - Current

Founder, CEO at Thought Launch Capital & Advisory

Jan 2017 - Current

Managing Director at Industrial Alliance Securities

Jan 2014 - Dec 2017

Vice Chairman, Head of Investment Banking at Research Capital Corporation

Jan 2010 - Dec 2014

Partner, Head of Investment Banking at Becher-McMahon

Jan 2007 - Dec 2010

Chief Executive Officer at Veris Health Sciences

Jan 2004 - Dec 2007

Chairman, Founder at EcomPark

Jan 1999 - Dec 2001

Co-Founder at ComKids

Jan 1998 - Dec 2000

Investment Banking at YORKTON SECURITIES INC

Jan 1997 - Dec 2000

John McMahon started working in 1997, then the employee has changed 10 companies and 9 jobs. On average, John McMahon works for one company for 4 years 10 months.

Frequently Asked Questions

What is John McMahon's email address?

SignalHire found a verified business email address for John McMahon: m**@shwdwn.com.

What is John McMahon's phone number?

SignalHire found a verified phone number for John McMahon: +1-***-***-6534.

How do I contact John McMahon at SHWDWN?

You can reach John McMahon through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John McMahon's professional background?

John McMahon has 29 years of professional experience. They have held roles including CEO, Chairman, President & CEO, and Founder, CEO at companies such as Prophecy DeFi, GenCAN, and Thought Launch Capital & Advisory.

Is John McMahon's contact information up to date?

Yes. John McMahon's SignalHire profile was last updated on 19 November 2025, reflecting their current position as Chief Executive Officer at SHWDWN in Culver City, CA, United States.

John McMahon Namesakes

Name
Company
Position
John McMahon
Sentinel Risk Group Insurance - Bobcaygeon
Commercial / Farm Account Executive

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Other employees at SHWDWN

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Casey McMahon
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