Our Legal & Administrative Team

Bart Baumstark

Bart joined the O’Brien Law Firm in 2003. Before joining the O’Brien Law Firm, he worked as a criminal prosecutor in St. Louis City and later represented the interests of injured railroad workers and their families. Bart serves as the firm’s lead trial attorney and settlement negotiator in asbestos cases.

Jerry FitzGerald

Since joining O’Brien Law Firm in 2005, Jerry has dedicated his entire legal career to helping men, women and families affected by asbestos disease. With many relatives having worked in the construction trades and as the son of a Local #1 Insulator, Jerry has firsthand knowledge of the damage asbestos exposure can cause.

Chris Thoron

Born and raised in Central Illinois, Christopher received his Bachelor of Arts from Blackburn College in Carlinville, where he played varsity baseball and soccer and graduated as salutatorian. He later earned a certificate in Labor/Employment Law and his Juris Doctorate from the Saint Louis University School of Law in 1999.

Grant Boyd

Grant C. Boyd focuses his practice on representing victims of violent crime, sexual abuse victims, wrongful death claims, and other personal injury cases. Mr. Boyd has an established reputation of advocating aggressively and strongly on behalf of those who suffered an injury, survived abuse, or lost a loved one due to the negligent, careless or unlawful acts of others.

Adam Reynolds

Adam is a Magna Cum Laude graduate of Truman State University and Washington University School of Law, where he also served on Law Review and received membership in the Order of the Coif. Adam joined O’Brien Law Firm in 2014 with the professional goal of seeking justice for clients whose personal health or loved ones’ lives have been needlessly endangered.

Tom Stewart

With a vast amount of experience in assisting with nationwide consumer class action litigation, medical negligence litigation, business litigation and product liability, Thomas brings many years of exceptional experience as a special consultant to the O’Brien Law Firm.

Luke Baumstark

Luke Baumstark brings over two decades of diverse legal experience to O’Brien Law Firm, where he serves as a dedicated advocate within the firm’s Victims Advocacy Department. His work focuses on representing survivors of sexual and physical abuse, as well as pursuing personal injury claims on behalf of clients.

Joe Wilson

Imitating the example set by his father who was a lifelong firefighter, Mr. Wilson was drawn to law because of a deep desire to be of service to others. He has worked extensively in politics and public policy, indigent criminal defense, and now focuses his efforts on advocating for victims of physical and sexual violence, particularly children and those with intellectual or developmental disabilities.

Andrew O’Brien

A native of Dublin, Ireland, Andrew graduated from University College Dublin Law School in 1986, and worked with the firm of Gaffney & Halligan for four years. Then, after moving to the United States and graduating from the Saint Louis University School of Law, Andrew founded the O’Brien Law Firm to commit all of his energy and resources to fighting to gain compensation for victims of asbestos diseases.

Kim Bertelsman

Ethan Bohannan

Tracie Girth

Andrea Mills

Allison Stoner

Lisa Touchette

Gail Voss

Jodi Chapie

Aaron McMichael

Kayla Alexander