mark haddad

Mark Haddad is a founding partner of Flatiron Law Group. He has been active on corporate and financial matters for clients throughout his career, including as a partner and practice chair at a Top 10 AmLaw 200 law firm and as general counsel to a global investment management firm operating through offices in the US, London and Hong Kong.

Mark has worked on most types of debt products, including acquisition financings, bridge loans, term loans A and B, first lien and second lien term loans, revolving credit facilities, senior secured asset-based loans, mezzanine financings and subordinated notes meeting the diverse needs of corporate borrowers, private equity sponsors, private credit providers and other market participants.

Mark has experience in domestic and cross-border mergers and acquisitions in a variety of industries, as well as in public and private offerings of securities on behalf of U.S. and non-U.S. issuers. His private equity experience includes portfolio transactions and establishing private equity funds and joint ventures and investor consortia. In addition to pre-IPO private fundraising, Mark’s capital markets experience includes representation of issuers and bulge bracket underwriters in equity and debt securities offerings in the energy, industrials, financials and information technology industries.

As part of the transaction lifecycle, some of Mark’s work includes representation of owner-manager and family-owned businesses on corporate succession planning and wealth preservation strategies and solutions, including philanthropy.

Previously Mark was a partner at Jones Day, an associate at Sullivan & Cromwell and a banking associate at Goldman Sachs. He is a licensed CPA (New York and New Jersey, inactive status) and was an auditor at PriceWaterhouseCoopers.

Mark has been recognized as a leading lawyer in Thomson Reuters New York Super Lawyers (since 2014) and is the former chair of the Alternative Energy Committee of the Institute for Energy Law and the ABA Drafting Committee for the Master Agreement for REC Trading. He is a frequent panelist on topics of interest to clients, most recently on digital transformation in law.


  • J.D., Duke University School of Law, editor Law and Contemporary Problems, the first Duke Law journal
  • B.S., University of Arizona, accounting and finance

“The digital challenge is not technology tools and process. It’s culture. While we have an industry leading tech-enabled, data-backed platform, what distinguishes Flatiron is culture, our mindset.  Collaboration, teamwork, cultural awareness, curiosity, adaptability and a relentless client-first focus. That is how we can lead the charge in digital transformation in transactional practice.”