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Mark Diffley Email & Phone Number
Chief Financial Officer
at
Playground
LinkedIn matched
✓ Verified Jul 2026
3 data sources
Profile completeness 86%
Current company
Role
Chief Financial Officer
Location
New York, United States
Company size
Who is Mark Diffley? Overview
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Quick answer
Mark Diffley is listed as Chief Financial Officer at Playground, a with 14 employees, based in New York, United States. AeroLeads shows a matched LinkedIn profile for Mark Diffley.
Mark Diffley previously worked as Founding Principal at Windward Mark and Expert at Primary Venture Partners. Mark Diffley holds Bachelor Of Science - Bs, Accounting from Miami University.
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Email format at Playground
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Playground
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Profile bio
About Mark Diffley
Mark Diffley is a certified public accountant and a seasoned financial leader with over 25 years of experience in high-growth organizations. He is currently an Expert at Primary, a premier early-stage venture firm in New York City, where he provides strategic advice and guidance to the investment team and founders within the Primary portfolio and broader network.He is also the interim CFO at Parity Technologies, a global leader in blockchain innovation and decentralization. Previously, he served as the CFO for Hawkfish, a data and technology firm that built infrastructure to reach voters for Democratic candidates and aligned organizations. He has held senior finance roles at Blink Health, SeatGeek, Kayak Software, and Take-Two Interactive. He was responsible for the pre-IPO preparations, SEC filings, and subsequent acquisition due diligence by Booking.com at Kayak Software. He earned his Accountancy degree from Miami University and received his New York State licensed CPA while at PriceWaterhouse. He has extensive experience in international markets, having lived and worked in Zurich, London, Geneva, and Luxembourg City. He currently resides in Miami.
Current workplace
Mark Diffley's current company
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Playground
17 roles
Mark Diffley work experience
A career timeline built from the work history available for this profile.
Founding Principal
Expert
As an Expert, I provide strategic advice and guidance to the investment team and founders within the Primary portfolio and broader network. Experts enjoy access to early-stage businesses, emerging trends and technology, and an expanded network of exceptional leaders and resources through a top-tier seed-stage firm.Primary is New York City’s premier early-stage venture firm working alongside founders to build unicorns like Alloy, Alma, Chief, Dandy Electric, Latch, K Health, Stellar Health, Slice, and many more.
Finance Advisor
A team of NYC based builders democratizing access to on-chain data with AI agents. Our first product: Flow AI - a suite of tools making it easy to leverage structured and unstructured data for your web3 protocol or project. Seamlessly generate actionable insights with an NLP interface, supporte ... see more
Interim Chief Financial Officer
Chief Financial Officer
Hawkfish was a 2020 Election effort, supported by Mike Bloomberg, that engaged with Democratic candidates, allies & causes to reach the right voters with the right message in the right place using robust technology, data, and digital-first storytelling.Hawkfish built technology that gathered voter information to created ads and target digital media to engage the right audience and motivate them to take action. On the leadership team that enabled 350 experienced tech engineers, data scientists, creative and campaign veterans who use a data-driven approach to help give our clients the digital advantage.
Feb 2020 - Jun 2021
Senior Director
Embedded Chief Financial Officer for Hawkfish LLC, funded by Bloomberg Philanthropies
Feb 2020 - Jun 2021
Head Of Finance
Apr 2018 - Dec 2019
Controller
Mar 2017 - Mar 2018
Svp Global Controller
Sep 2010 - Jan 2017
Senior Director Of Global Finance Projects
Apr 2005 - Jan 2011
Director Of Operational Accounting
Sep 2008 - Sep 2009
Acting Finance Director
Sep 2007 - Sep 2008
Director Of Operational Accounting
Apr 2005 - Sep 2007
Manager
Jul 2000 - Apr 2005
Manager Financial Analyst - Abc Television
Nov 1998 - Jul 2000
Senior Associate
Oct 1995 - Nov 1998
Team & coworkers
Colleagues at Playground
Other employees you can reach at playgroundapp.com. View company contacts for 14 employees →
YD
Yangqi Deng
Colleague at PlaygroundBrooklyn, New York, United States
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KD
Khaalis De Las
Colleague at PlaygroundToronto, Ontario, Canada
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JB
James Baylan
Colleague at PlaygroundHarrogate, England, United Kingdom
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MS
M Shah Jehan
Colleague at PlaygroundLaval, Quebec, Canada
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LS
Liza Simonova
Colleague at PlaygroundBerlin, Germany
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EG
Eliaz Gervais
Colleague at PlaygroundChâteauguay, Quebec, Canada
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KM
Kash Money
Colleague at PlaygroundSt-Lambert, Quebec, Canada
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Yangqi Deng
Colleague at PlaygroundBrooklyn, New York, United States
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KD
Khaalis De Las
Colleague at PlaygroundToronto, Ontario, Canada
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JB
James Baylan
Colleague at PlaygroundHarrogate, England, United Kingdom
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MS
M Shah Jehan
Colleague at PlaygroundLaval, Quebec, Canada
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LS
Liza Simonova
Colleague at PlaygroundBerlin, Germany
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EG
Eliaz Gervais
Colleague at PlaygroundChâteauguay, Quebec, Canada
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KM
Kash Money
Colleague at PlaygroundSt-Lambert, Quebec, Canada
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4 education records
Mark Diffley education
Bachelor Of Science - Bs, Accounting
Bachelor Of Science - Bs, Accounting
Bachelor Of Science, Accountancy
FAQ
Frequently asked questions about Mark Diffley
Quick answers generated from the profile data available on this page.
What company does Mark Diffley work for?
Mark Diffley works for Playground.
What is Mark Diffley's role at Playground?
Mark Diffley is listed as Chief Financial Officer at Playground.
Where is Mark Diffley based?
Mark Diffley is based in New York, United States while working with Playground.
What companies has Mark Diffley worked for?
Mark Diffley has worked for Playground, Windward Mark, Primary Venture Partners, Etna Labs, and Parity Technologies.
Who are Mark Diffley's colleagues at Playground?
Mark Diffley's colleagues at Playground include Yangqi Deng, Khaalis De Las, James Baylan, M Shah Jehan, and Liza Simonova.
How can I contact Mark Diffley?
You can use AeroLeads to view verified contact signals for Mark Diffley at Playground, including work email, phone, and LinkedIn data when available.
What schools did Mark Diffley attend?
Mark Diffley holds Bachelor Of Science - Bs, Accounting from Miami University.
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