President and Director

John A. Guerra was born in McAllen, Texas and was raised on his family’s cattle ranch in Starr County, Texas. He interned at the firm in 1987 and became an associate in 1989. He later became a shareholder in 1994 and President of the firm in 1996. He continues to manage the affairs of the firm today, while remaining active as lead trial counsel on a full docket of cases.  Read Biography 

Vice President and Directors

Mark Strandmo was born in Mankato, Minnesota in January 1964. He was raised and attended college there. He joined the firm in 1995 and became a shareholder in 2000.  Read Biography

A.J. Dimaline was born in San Antonio, Texas in January 1962. He has the distinction of being the first baby born in San Antonio that year. He joined the firm in 1997 and became a shareholder in 2002. Read  Biography


Greg Hokenson was born in Minneapolis, Minnesota in September 1975. He joined the firm in 2004. Read Biography

Scott Jones was born in Spartanburg, South Carolina in July 1955. He joined the firm as of counsel in 2009 and became a partner in 2013.  Read Biography

Tom Mailloux was born in Harvey, Illinois and grew up in the Greater Chicagoland area. He joined the firm in 2002 and became a shareholder in 2014. Read Biography

Jason West was born in Fremont, Nebraska in June 1973. He joined the firm in 2005. Read Biography


Chris Blanton was born in Walnut Creek, California and grew up in North Texas.  He started at the firm in October 2016 and is adjusting to the transition of becoming a Spurs fan.
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Celia Garcia was born and raised in San Antonio, Texas.  She joined the firm in 2014.
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Daniel J. Guarasci was born in Niagara Falls, New York and was raised in suburban Buffalo, New York. Daniel moved to San Antonio in 2015.
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Kimberly Painter Hall was born and raised in Corpus Christi, Texas. 
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Kimberly Kayatta was born in New York and has had the pleasure of living in nine of the fifty states. 
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Brad McGann was born in Minneapolis, Minnesota and grew up in the greater Chicagoland area. Brad is licensed in both California and Texas.
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James was born and raised in Los Angeles, California. In 2014, James moved to San Antonio and practiced at a boutique firm handling cases in a variety of legal specialties, before joining the firm.
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Brad Stauber was born and raised in suburban Pittsburgh, Pennsylvania. Brad moved to San Antonio in 2016.
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Robert R. Stearns

Robert Stearns was born in Trenton, Michigan and grew up in the Greater Detroit Area. He attended Wayne State University in Detroit, where in his third year, he was the co-Chair of the Law School’s national mock trial team.

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Brittany K. Barrera

Brittany Barrera was born in Corpus Christi, Texas. She received her Bachelor of Arts and Sciences, summa cum laude in Political Science and History in 2013 from Texas A&M University Kingsville. Brittany moved to San Antonio and received her Juris Doctor from Saint Mary’s University School of Law in San Antonio, Texas in 2016.  
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Amanda E. Carollo

Amanda Esparza Carollo was born and raised in Laredo, Texas. She attended Wellesley College in Wellesley, Massachusetts, where she majored in Neuroscience. Prior to attending law school, she worked at Dechert LLP in New York City for several years focusing on complex product liability litigation. She received her law degree in 2011 from Albany Law School in Albany, New York.
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Michael D. Joy, II

Michael Don Joy, II, was born in Corpus Christi, Texas, and raised in South Texas. Michael attended St. Mary’s University at San Antonio, where he graduated summa cum laude in 2001, with a Bachelor of Arts in Political Science. Michael received his Juris Doctor from Baylor University School of Law in Waco, Texas, in 2004.
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Michael A. Dial

Michael Dial was born in Moore, Oklahoma. He became a registered radiologic technologist and performed imaging in hospital emergency and surgery departments before transitioning into the legal field. He received his Juris Doctor, summa cum laude, from Oklahoma City University School of Law in 2017. 
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Vanessa E. Valdez

Vanessa Valdez is a native of San Antonio. She attended The University of Texas, where she graduated with a B.A. in 2000. Before attending law school, she lived in Washington D.C. where she completed an internship program at American University and clerked for the United States Department of Education Office for Civil Rights.
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Firm Administrator

Esther Mahon Marks

Ms. Marks was born in County Galway, Ireland and moved to New York with her family as a child. She has been with the firm for over 30 years and has been a Legal Administrator since 1992. Ms. Marks is responsible for the day to day operations of the firm as well as the responsibility for staff personnel.

Esther enjoys traveling, dancing and Pilates.