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Calvin A. Barker, Jr.


Juris Doctor - 1973

South Texas College of Law    Houston, Texas

Board Certified in Commercial and Residential Real Estate Law-1983

Supreme Court of the United States of America- Apr. 18, 1977

United States District Court for the Southern District- Jan. 30, 1974

United States Tax Court- Nov. 29, 1973

United States Court of Appeals for the Fifth Circuit- Nov. 1, 1973

Supreme Court of the State of Texas- Sept. 24, 1973

Unites States District Court of the Northern District- Sept. 17, 1973

United States District Court for the Eastern District- Apr. 4, 2007

Bachelor of Business Administration Years Attended (1964-1970)

North Texas State University Denton, Texas

Licensed Texas Real Estate Broker in 1972


∙ Lawyers Title Insurance Corporation

∙ Old Republic National Title Insurance Company

∙ Stewart Title 

∙ Commonwealth Land Title Insurance Company

∙ Alamo Title Insurance

∙ Chicago Title Insurance Company

∙ Fidelity National Title Insurance Company

∙ United General Title Insurance 

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Kelly Bickerstaff


Juris Doctor - 1985

Oklahoma City University School of Law    Oklahoma City, OK

Licensed to practice law in Texas and Oklahoma since 1985 

Kelly Bickerstaff, P.C., Dallas and Sherman, Texas, 1992 to present 

McCauley, Macdonald & Devin, Dallas, Texas, 1989 - 1992 

McCleskey, Harriger, Brazill & Graf, Lubbock, Texas, 1985 – 1989 

Babb, Peacher & Nash, Oklahoma City, Oklahoma, 1983 - 1985 

Member, State Bar of Texas Member, Oklahoma Bar Association Member, Grayson County Bar Association Past Member and Chairman, Planning & Zoning Commission, City of Sherman 

Bachelor of Science Degree - 1982 

Cameron University


First United Methodist Church, Sherman, Texas

Sherman Noon Lions Club

Texoma Exposition & Livestock Show

Boys & Girls Club of Sherman

Grayson County Airport Board

Leadership Sherman 


Wife, Kathy - Executive Director, Sherman Education Foundation

Son, Koll and Daughter, Kelsea.

Misty Irvin



Misty is a life long resident of Grayson County graduating from Sherman High School in 1993. In addition to being active in the Agriculture Program and Parliamentary Procedure in Highschool she began her work career in the retail industry as well as accounting for various companies in the community. She has 7 years experience in the communications industry. Misty was active in her own Day Spa business for 7 years. From there she moved to a family owned Medical Practice for 5 years.

In 2014, Misty began working for the Barker Firm and quickly moved from accounting to a Paralegal position where she assists the Attorneys in all facets of the Law Practice, including attending and participating in Court appearances in Grayson, Collin, Dallas, and El Paso Counties. Misty has attended numerous continuing education seminars such as the Dr. Kenneth Street Law Symposium for several years, The Grayson County Bar Association Meetings  Monthly which she is a Member and recently attended the Texas Land Title Association Seminar in Dallas for individuals involved Legal  Real Estate matters. Misty has a back ground in Real Estate,

Probate, Civil Litigation and Criminal Matters.