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Gannon Real Estate

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Mark Gannon, Owner, is a 1979 ISU Graduate in Ag Business with over 30 years in farm management, real estate sales, ag marketing, ag lending and consulting experience. Previously the Land Manager for the ISU College of Agriculture from 1994-1999, Mark is a strong advocate of the present value of the family farm to the Iowa economy and to the Iowa social fabric. Mark was the co-plantiff in a lawsuit to open up records at Iowa State University Foundation and require oversight of ISUF by the Iowa Board of Regent. He has been married for 31 years with three sons (Patrick, Joseph, & Matthew), daughter-in-law (Chelsea {Joseph}), grandchildren (Amy, David & Claire).

To date, Gannon Real Estate has sold over $140 million dollars in farm real estate since 2000

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Andy Mullan began working at US Farm Lease in May of 2011.  He graduated from the University of Northern Iowa in 2011 with a Bachelors Degree in Business Administration.  Andy currently an Associate Real Estate Appraiser and is working toward becoming a Certified General Appraiser.  He also is taking classes to become licensed in real estate in the state of Iowa. Since joining the US Farm Lease team Andy has been working with Landowners & Operators in establishing market value lease agreements that are fair and equitable for both parties.


Margaret Gannon is the Administrative Officer for Gannon Real Estate.  She was born and raised in Poplar Bluff, MO. She received her BS in Business Administration and an AA in Computer Science from Southeast Missouri State University, in Cape Girardeau, MO. She worked for 20 years at McFarland Clinic as a medical editor before coming to GREC. She has been with Gannon Real Estate for five years. Her main duties include handling the accounting and all the daily responsibilities involved  that go along with running an office. When not working she enjoys reading and making cards.