Mark concentrates his practice on real estate with a particular emphasis on development. He primarily provides counsel in connection with acquisition, development, financing, construction, and disposition of commercial properties. Mark also assists landowners in navigating negotiation of solar and wind leases. In 2021, he represented developers in connection with the acquisition, financing, and disposition of over $500 million in transactions.

Prior to joining the firm, Mark litigated business, personal injury, professional liability, premises liability, and transportation disputes.