Mark Diffley: Email & Phone Number

Opt-Out

Founding Principal at Windward Mark|New York, New York, United States

Position:

Founding Principal at Windward Mark

Location:

New York, New York, United States

View Mark Diffley's Email

Up to 10 free lookups. No credit card required.

Last updated: 2025-10-16

Updated: 2025-10-16

Found email addresses for Mark Diffley:

Business emails:

m***@aol.com

Personal emails:

m***@aol.com,

d***@hawkfish.us,

d***@parity.io,

d***@yahoo.com

Found phones for Mark Diffley:

+1-205-***-**80,

+1-623-***-**61

A different Mark Diffley?

Work Experience 31 years

Founding Principal at Windward Mark

May 2023 - Current

Expert at Primary Venture Partners

Jan 2024 - Current

Finance Advisor at Etna Labs

Jan 2024 - Jun 2024

Interim Chief Financial Officer at Parity Technologies

Nov 2021 - Apr 2023

Chief Financial Officer at https://independenceusapac.org

Jun 2020 - Jun 2021

Chief Financial Officer at Hawkfish LLC

Feb 2020 - Jun 2021

Senior Director at Geller

Feb 2020 - Jun 2021

Head Of Finance at BlinkRx

Apr 2018 - Dec 2019

Controller at SeatGeek

Mar 2017 - Mar 2018

SVP Global Controller at KAYAK

Sep 2010 - Jan 2017

Senior Director of Global Finance Projects at Take-Two Interactive

Apr 2005 - Jan 2011

Director of Operational Accounting at Take-Two Interactive

Sep 2008 - Sep 2009

Acting Finance Director at Take-Two Interactive

Sep 2007 - Sep 2008

Director of Operational Accounting at Take-Two Interactive

Apr 2005 - Sep 2007

Manager at CBS

Jul 2000 - Apr 2005

Manager Financial Analyst - ABC Television at Disney Entertainment

Nov 1998 - Jul 2000

Senior Associate at PwC

Oct 1995 - Nov 1998

Mark Diffley started working in 1995, then the employee has changed 13 companies and 14 jobs. On average, Mark Diffley works for one company for 2 years 4 months.

Their professional focus is Accounting, Account Reconciliation, and Business Management across 3 core areas.

Education

Bachelor of Science - BS at Miami University

Bachelor of Science at Miami University

Miami University John E. Dolibois European Center (MUDEC) in Luxembourg

Frequently Asked Questions

What is Mark Diffley's email address?

SignalHire found verified email addresses for Mark Diffley, both business and personal. Their business email is m***@aol.com, and personal emails include m***@aol.com, d***@hawkfish.us, and d***@parity.io.

What is Mark Diffley's phone number?

SignalHire found multiple verified phone numbers for Mark Diffley: +1-205-***-**80, and +1-623-***-**61.

How do I contact Mark Diffley at Windward Mark?

You can reach Mark Diffley 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 Mark Diffley's professional background?

Mark Diffley has 31 years of professional experience. They have held roles including Expert, Finance Advisor, and Interim Chief Financial Officer at companies such as Primary Venture Partners, Etna Labs, and Parity Technologies. Their education includes Bachelor of Science - BS from Miami University, and Bachelor of Science from Miami University.

Is Mark Diffley's contact information up to date?

Yes. Mark Diffley's SignalHire profile was last updated on 16 October 2025, reflecting their current position as Founding Principal at Windward Mark.

Mark Diffley Namesakes

Name

Company

Position

Mark Diffley

Stress, Recover, Adapt, LLC

Consultant - Operations Management/Coaching (Owner)

Get contacts

See more profiles

Similar profiles

Name

Company

Position

Patricia Sunderland

Cultural Research & Analysis, Inc

Founding Principal

Get contacts

Gerald Stool

Alamo Manhattan, LLC

Founding Principal

Get contacts

Odelia Rondel

Delano Millwork

Founding Principal

Get contacts

David Walch

Athens Street Capital

Founding Principal

Get contacts

Ryan Drane

Blue Sky Global, PBC

Founding Principal

Get contacts

Mark Saukkola

Earnest Investments, LLC

Founding Principal

Get contacts

See more profiles

Data Privacy

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.