Our Team

Managing Partners

Bart Baumstark of O'Brien Law Firm
Managing Partner

Bart Baumstark

Jerry FitzGerald of O'Brien Law Firm
Managing Partner

Jerry FitzGerald

Chris Thoron of O'Brien Law Firm
Managing Partner

Chris Thoron

Managing Partner

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.

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Managing Partner

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.

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Managing Partner

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.

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Attorneys

Grant Boyd of O'Brien Law Firm
Attorney

Grant Boyd

Adam Reynolds of O'Brien Law Firm
Attorney

Adam Reynolds

Thomas Stewart of O'Brien Law Firm
Attorney

Tom Stewart

Attorney

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.

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Attorney

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.

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Attorney

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.

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Founder

Andrew O'Brien of O'Brien Law Firm
Founder

Andrew O’Brien

Founder

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.

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Staff

Kim Bertelsman of O'Brien Law Firm
Claims Processing Paralegal

Kim Bertelsman

Ethan Bohannan of O'Brien Law Firm
Investigator

Ethan Bohannan

Headshot of Employee From O'Brien Law Firm
Office Manager

Tracie Girth

Andrea Mills of O'Brien Law Firm
Operations

Andrea Mills

Claire Ryterski of O'Brien Law Firm
Marketing Coordinator

Claire Ryterski

Allison Stoner of O'Brien Law Firm
Settlement Department Manager

Allison Stoner

Lisa Touchette of O'Brien law firm
Trial Paralegal

Lisa Touchette

Gail Voss of O'Brien law firm
Settlement Paralegal

Gail Voss

Medical Department Paralegal

Holly Zimmer

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Claims Processing Assistant

Rebecca Fuller

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Litigation Paralegal

Adelaide Smith

Claims Processing Paralegal

Kim Bertelsman

Investigator

Ethan Bohannan

Office Manager

Tracie Girth

Operations

Andrea Mills

Marketing Coordinator

Claire Ryterski

Settlement Department Manager

Allison Stoner

Trial Paralegal

Lisa Touchette

Settlement Paralegal

Gail Voss

Medical Department Paralegal

Holly Zimmer

Claims Processing Assistant

Rebecca Fuller

Litigation Paralegal

Adelaide Smith