R.D. was born in Vevay, Indiana in 1942. He attended Indiana University where he received his A.B. in 1965. After he graduated from IU Law School with his J.D., he was admitted to the Indiana Bar and the U.S. District Court for the Southern District of Indiana in 1968. He then left Bloomington to serve his country in the Army as Assistant Judge Advocate General. During his active duty, he was admitted to the U.S. Court of Appeals for the Armed Forces and the U.S. Supreme Court  in 1972. Upon returning to Bloomington, he joined David Rogers in his law practice for about one year, before starting his own solo practice. During this time, he served as the Deputy Prosecuting Attorney in Owen County. In 1980, he rejoined David Rogers' practice, which has become Jones, McGlasson, Arter & Siefers, P.C. R.D. and his wife, Sue, live in Bloomington, and they have two daughters and five grandchildren.


R.D. is a member of the Monroe County Bar Association, Indiana State Bar Association and the American Bar Association.


Banking law, business organizations, estate planning, litigation and appeals, personal injury, probate and estate administration, real estate law, and wills.




Thomas M. McGlasson was born in Martinsville, Indiana. He spent his formative years in Martinsville, IN, New Albany, IN, Ellensburg, WA, and Bangkok, Thailand, before moving back to Bloomington and completing high school.


He graduated from Indiana University in 1965, and Indiana University School of Law in Bloomington in 1968. Following Law School, he spent two years in the United States Army commanding the American detachment at a NATO missile site in southern Greece.


He served in several different legal capacities with Indiana University Foundation from 1970 to 1993, leaving the Foundation as Vice-President and General Counsel. At that time, he joined long-time friend R.D. Jones in the formation of Jones, McGlasson & Benckart, P.C.


Tom is an avid I.U. sports fan and enjoys golf, traveling and reading. He and his wife, Susie, have two children and three grandchildren.

Tom was inducted into the Hall of Fame by the Solo and Small Firm Section of the Indiana Bar Association in 2020.


Principal practice areas include estate planning, probate and trust administration. He also works in small business organizations, not-for-profit organizations and other similar matters.




Jerry L. (J.L.) Siefers, Jr., was born and raised in Speedway, Indiana.  He graduated from Speedway High School in 1984. 

J.L. graduated summa cum laude from the Robert R. McKinney School of Law at Indianapolis, Indiana in 1992.  He also earned an MBA (1992) and a Masters of Business (1996)  degrees from the Kelley School of Business at Indiana University, Bloomington, Indiana.  He has been a member of the Indiana bar since 1992. 


Before joining the firm, he ran a successful elder law and estate planning practice for over twenty-five years.  


J.L. currently serves on the board of area not-for-profit organizations, including Community Justice and Mediation (CJAM).  He has served other local, national, and international not-for-profit organizations in the past such as Area 10 Agency on Aging.


He and his wife, Sandy, have two sons, Jonathan and Ben.  Jonathan is an Aerospace Engineer with Honeywell Aerospace in Phoenix, Arizona.  Ben graduated with a Computer Science degree from Indiana University. He is currently a graduate student at Georgia Tech University in Atlanta.  


Jerry focuses his practice on elder law, Medicaid planning, estate planning, probate, not-for-profit organizations and mediation services.  

Maryann O. WIlliams


Maryann has been been an attorney for the last 30 years in Southern Indiana. She began her practice in Sweet Owen County and expanded it to all of the surrounding counties. After spending several years practicing in downtown Indianapolis with the Indiana State Bar Association, Maryann returned to her roots in Southern Indiana in 2016.  In 2019, she joined the Firm.



She graduated from University of Nebraska in 1976 with a B.S., Texas Tech University in 1982 with a M.S. and Indiana University School of Law in Bloomington in 1988. Her primary areas of study besides the law were human development and family relations, step-parent relations and counseling in high risk families.

She and her husband, Bill have three children, Andrew, Michaela and Jordan. They also have three grandchildren and two granddogs!


Maryann primarily practices in the area of family law including divorces, child support, custody, adoptions, guardianships and paternities. She also is a registered family mediator and a guardian ad litem.

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