Mark Senn: Colorado 500 - Real Estate/Construction Law

Of Counsel, Senn Fortis

ColoradoBiz Staff //April 21, 2026//

Of Counsel, Senn Fortis

ColoradoBiz Staff //April 21, 2026//

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Mark A. Senn, Of Counsel at Senn Fortis, is a seasoned commercial real estate attorney whose practice encompasses all aspects of commercial real estate transactions, including the preparation and negotiation of leases, purchase contracts, and loan agreements. He represents landlords, tenants, and developers and frequently serves as an expert witness. Senn is the author of Commercial Real Estate Leases: Preparation, Negotiation, and Forms (5th ed.) and a contributing editor of two additional industry reference works. He serves as co-chair of ALI-CLE’s “Commercial Real Estate Leases” and “Modern Real Estate Transactions” programs and has spoken nationally for organizations including the Practicing Law Institute and the International Council of Shopping Centers. A member of the American College of Real Estate Lawyers and the Anglo-American Real Property Institute, Senn is recognized in Best Lawyers in America, Chambers USA, Law Dragon 500, and Top 50 Colorado Super Lawyers.

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