About Us Experts Mark A. Senn

Mark A. Senn


His practice emphasizes all aspects of commercial real estate transactions including preparation and negotiation of leases, purchase contracts, and loan agreements. He represents landlords, tenants, and developers and frequently serves as an expert witness. He is the co-chair of ALI-CLE’s “Commercial Real Estate Leases” and “Modern Real Estate Transactions” programs. He has spoken throughout the country for Practicing Law Institute, International Council of Shopping Centers, the American Conference Institute, CLE International, and many state continuing legal education programs.

Mr. Senn is the author of Commercial Real Estate Leases: Preparation, Negotiation, and Forms (5th ed.), and contributing editor of State by State Guide to Commercial Real Estate Leases (5th ed.) and Commercial Real Estate Transactions Handbook (4th ed.). His published articles have addressed a variety of topics including the effect of the Black Death on English life and law, history of usury, land measurement, Shakespeare and the land law.

He is a member of the American College of Real Estate Lawyers; a member of the Anglo-American Real Property Institute; a member of the advisory board of the Georgetown Advanced Commercial Leasing Institute; a member a member of the advisory board of the Committee on Real Estate Law of ALI-CLE.  Mr. Senn is listed in 5280 Magazine’s 2017 Top Lawyers; The Best Lawyers in America; The International Who’s Who of Real Estate Lawyers; Presidential Who's Who; Chambers USA America’s Leading Lawyers for Business; Law Dragon 500; and Top 50 Colorado Super Lawyers.