Meet Our Attorneys
Evan K. Thalenberg
Mr. Thalenberg was raised in New York and obtained a Master of Business Administration degree from Fairleigh Dickinson University. He subsequently graduated from the University of Baltimore Law School in 1986 while obtaining numerous awards including the American Jurisprudence Award for outstanding work in law school.
Mr. Thalenberg, and his firm, has obtained over $500,000,000.00 in verdicts and settlements for clients and is a Member of the Million Dollar Advocates Forum and the Multi-Million Dollar Advocates Forum and has been widely recognized for his innumerable multi-million dollar verdicts and settlements. Mr. Thalenberg was awarded the Maryland Association for Justice Advocacy Award for outstanding trial work and has lectured on trial law techniques and efficacy to state and national groups including, but not limited to, the American Trial Lawyers Association, the Maryland Bar Association and others. Mr. Thalenberg has, on request, appeared as a guest expert on radio and television stations throughout the country for law and toxic tort related issues.
He is admitted to practice in Maryland, District of Columbia, U.S. District Court (Maryland) and Fourth Circuit Court of Appeals as well as the Supreme Court of the United States.
Ms. O’Brien has dedicated her legal practice for almost a decade to representing and advocating for children that have been poisoned by lead-based paint.
Born in Baltimore, Maryland, Ms. O’Brien attended Loyola University Maryland and received a Bachelor of Business Administration degree, summa cum laude, with a major in economics and minor in mathematics in 2004. She attended the University of Maryland School of Law and received a Juris Doctor degree, cum laude, in 2007. After graduation, Ms. O’Brien served as judicial law clerk to the Honorable Steven M. Waldron in the Circuit Court for Harford County.
Ms. O’Brien has successfully represented hundreds of individuals injured through the negligence of owners and operators of residential properties in Baltimore City and the surrounding areas. She has also represented clients at the appellate level.
Over the years, Ms. O’Brien has litigated numerous cases and obtained millions of dollars for her clients. With the team at Evan K. Thalenberg, P.A., she has successfully tried multiple cases to verdict on behalf of her clients. Ms. O’Brien was selected to the 2017 Maryland Super Lawyers Rising Stars list, an honor bestowed upon only 2.5% of Maryland’s lawyers. She is also a member of the Maryland Association for Justice, Multi-Million Dollar Advocates Forum, and the Baltimore City Bar Association. Ms. O’Brien has also been invited to speak and presented at a national lead litigation conference.
Ms. O’Brien loves coming to work each day to achieve justice for her clients. Ms. O’Brien enjoys learning about her clients as well as staying up to date on the current legal and medical issues affecting her cases. Her compassionate yet aggressive approach to her cases allows her to obtain the best possible outcome for each client and build relationships with her clients that often continue after the case is resolved.
Ms. O’Brien is involved in several community groups and associations and has been involved with Big Brothers Big Sisters of the Greater Chesapeake as a mentor for over 7 years.
Ms. O’Brien resides in Baltimore City with her family and enjoys taking advantage of all of that the city has to offer. When she is not aggressively fighting on behalf of her clients, she enjoys running, yoga and spending time with her family and friends.
Ms. O’Brien is licensed to practice law in Maryland and the U.S. District Court for the District of Maryland.
Ms. Phillips has focused her legal practice over the years on complex civil litigation, representing plaintiffs in personal injury and toxic tort matters.
Born in Maryland, Ms. Phillips attended High Point University and received a Bachelor of Arts degree, cum laude, in 2008. While at High Point University she was a member of the Alpha Delta Omega Honor Society, was on the Dean’s List and received the Shelton Family Scholarship. She attended the University of Baltimore School of Law and received a Juris Doctor degree in 2011.
Over the years, Ms. Phillips has litigated numerous cases and obtained millions of dollars for her clients. She has successfully tried three cases to verdict with the firm’s team, the total amount being in excess of $7,000,000.
Ms. Phillips was selected by Super Lawyers as a Rising Star in 2016 and 2017. Only 2.5 percent of Maryland’s attorneys who are 40 years old or younger, or in practice 10 years or less, receive the Rising Star distinction. She is an Associate Fellow of the Litigation Counsel of America, an invitation-only trial lawyer honorary society composed of less than one-half of one percent of American lawyers. She is also member of the Million Dollar Advocates Forum.
Ms. Phillips takes pride in being a member of the team at Evan K. Thalenberg, P.A. She is a fearless and compassionate advocate on behalf of her clients. Her practice is marked by her dedication, passion, tenacity, attention to detail, and steadfast focus on achieving the best outcome for her clients.
Ms. Phillips is licensed to practice law in Maryland, the U.S. District Court for the District of Maryland and California.
Avalon S. Brandt
Ms. Brandt has focused the last 16 years of her legal practice years on complex civil litigation, representing plaintiffs in brain injury cases resulting from childhood lead poisoning. In 2002 she was co-counsel in a lead poisoning case in which the Plaintiff was awarded $4,100,000. In 2003, she was co-counsel in a lead poisoning case in which the Plaintiff was awarded $2,700,000. Ms. Brandt has also represented clients in family law and criminal defense cases.
Born in Baltimore, Maryland, Ms. Brandt attended The University of Maryland and received a Bachelor of Science degree in 1988. She attended the University of Maryland School of Law and received a Juris Doctor degree in 1994.
Over the years, Ms. Brandt has litigated hundreds of cases and obtained millions of dollars for her clients. She is a member of the Multi-Million Dollar Advocates Forum. She is dedicated to getting the best result for her clients and is known for her sincerity, tenacity, and dedication to her clients. Her practice is marked not only by her professional expertise, but also her unfettered desire to help make life better for her clients.
Ms. Brandt is involved in several community groups and associations. Since 2008 she has been on the Board of Directors for L.I.F.E. Incorporated (“Living In a Free Environment”), a non-profit organization which provides housing, employment and social activities for adults who have disabilities.
Ms. Brandt lives in Baltimore and is an avid sports fan who loves football and basketball.
Ms. Brandt is licensed to practice law in Maryland and has been admitted Pro Hac Vice in Illinois and South Carolina.
Pamela J. Diedrich, Esquire
Ms. Diedrich has focused her legal practice over the years on complex civil litigation, representing plaintiffs in a select number of catastrophic injury matters, including lead paint poisoning, medical malpractice, wrongful death, personal injury, premises liability, and products liability.
Born in Groton, Connecticut, Ms. Diedrich attended Towson State University and received a Bachelor of Arts degree in 1996. She attended the University of Baltimore School of Law and received a Juris Doctor degree, cum laude, in 2000.
Ms. Diedrich has successfully represented individuals in Baltimore and across the country who were killed or injured through the actions of others, including cases involving property owners and managers, doctors and other healthcare providers, hospitals, nursing homes, pharmaceutical companies, government agencies and departments, and product manufacturers and distributors. She has represented clients at the trial and appellate levels and before both licensing boards and administrative tribunals.
Over the years, Ms. Diedrich has litigated numerous cases and obtained millions of dollars for her clients. She is a member of the Multi-Million Dollar Advocates Forum. She focuses on getting the best result for her clients and is known for her persistence, dedication, and tenacity. She prides herself on building relationships with her clients and leaving no stone unturned in ensuring that her clients obtain the best outcome. Her practice is marked by not only professional expertise, but a deep well of compassion for her clients.
Ms. Diedrich is involved in several community groups and associations, including serving on the Board of Directors for The Talent Machine Company, a non-profit children’s theatre group. In addition to zealously advocating for her clients, she enjoys spending time with her family, friends, and rescue dog.
Ms. Diedrich is licensed to practice law in Maryland, the District of Columbia, New York, and the U.S. District Court for the District of Maryland.
Matthew B. Thompson
Mr. Thompson began his litigation career in the real estate and bankruptcy fields before shifting to complex civil litigation, where he now represents plaintiffs in catastrophic injury matters that include victims of lead paint poisoning.
Born in Baltimore, Maryland and a Loyola Blakefield graduate, Mr. Thompson attended the University of Virginia where he received a Bachelor of Arts degree in 2011. Mr. Thompson received his Juris Doctorate degree, magna cum laude, from the University of Baltimore School of Law in 2014.
Mr. Thompson has worked to develop strong relationships across the Baltimore community throughout his personal life and professional career with a focus on advocating on the behalf of others. He is deeply invested in the success of the City of Baltimore and its citizens. Through his work at the Law Offices of Evan K. Thalenberg, P.A., Mr. Thompson is able to give a voice to the injured and is passionate about obtaining the best outcome for his clients.
In addition to his work advocating on the behalf of injured plaintiffs, Mr. Thompson is certified in mediation.
Mr. Thompson is an avid golfer, enjoys live music, and resides with his wife in North Baltimore.
Mr. Thompson is licensed to practice law in Maryland.