Mark has an active business, real estate and aviation law practice. He represents clients in the organization and governance of business entities, as well as the purchase and sale of business assets. Mark represents clients in connection with a wide range of business operations contracts, including commercial real estate and equipment leases, supply contracts, non-competition and non-disclosure agreements, and professional services contracts. Mark also represents clients in the purchase and sale of complex real estate. Mark’s aviation law practice includes the purchase and sale of aircraft as well as the lease of hangars.