(865) 521-6527

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Our People

Darryl G. Lowe

Senior Attorney

First licensed in 1974, Mr. Lowe’s practice has consisted of civil litigation involving primarily insurance defense at the trial and appellate level.  He is licensed in Tennessee and is admitted to practice in the United States District Court for the Eastern District of Tennessee, United States  District Court for the Middle District of Tennessee, and the United States Court of Appeals for the Sixth Circuit.  In 1985 he started his own firm, Lowe & Shirley, which is the forerunner of Lowe, Yeager & Brown.  His experience included medical malpractice defense, dental malpractice defense, asbestos personal injury and property damage defense,  and nursing home defense.  In addition to Tennessee, he has tried cases in Arkansas, Alabama, Texas, and Illinois.

He began representing lawyers in 1984, and since approximately 1994 Mr. Lowe’s practice has consisted almost entirely of legal malpractice defense as well as advising and representing lawyers on matters related to the Rules of Professional Conduct.  Mr. Lowe has been elected by his peers as one of the Best Lawyers in America under the category of Legal Malpractice every year since 1994 and has been elected again for 2012. Mr. Lowe has also qualified and testified as an expert witness in the field of legal malpractice.

In addition to his practice in legal malpractice defense, Mr. Lowe is regularly involved in defense of nursing home litigation. His background, training and significant experience in medical malpractice litigation make him uniquely qualified in this area of the law.

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Gregory Brown

Managing Attorney

First licensed in 1999, Mr. Brown’s background is in civil litigation at the trial and appellate level.  He is licensed in nine states (six by exam) and many federal jurisdictions, has represented clients in court in approximately 25 states, and has extensive experience litigating a broad array of subject matters, including construction, environmental, real estate, intellectual property, medical malpractice, and products liability litigation.  He began his career in Boston and came to Lowe Yeager & Brown after practicing for several years in a large Washington, DC, law firm.

Based on this broad background, in Mr. Brown’s current practice he primarily advises and represents attorneys and law firms regarding ethical and licensing issues, the handling of complex litigation matters, and in the defense of legal malpractice lawsuits.  He also advises corporate clients regarding conflict avoidance and resolution, primarily in the construction and real estate development markets, and represents other clients in select, complex litigation matters.  Mr. Brown holds commercial single-engine and multi-engine pilot licenses that he uses to work from both of the firm’s offices in Knoxville, Tennessee, and Washington, DC, and to address client needs throughout the Southeast economically and efficiently.

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Christopher C. Field


Chris Field is a native of Charleston, West Virginia. He graduated cum laude from the University of Tennessee College of Law in 2009. During law school, Mr. Field was a judicial intern with the Honorable Robert B. King on the United States Court of Appeals for the Fourth Circuit, was an editor for the Tennessee Journal of Law & Policy, and participated in the National Environmental Law Moot Court Competition. He is a member of the Knoxville Bar Association and the Tennessee Bar Association. Mr. Field is also currently Vice President of the Island Home Park Neighborhood Association Board of Governors.

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Ruth Eschman


Ruth Eschman graduated cum laude from Illinois College with a Bachelors of Arts Degree in Political Science and English Literature.  After obtaining her bachelor’s degree, Ms. Eschman spent one year working for AmeriCorps, where she focused on promoting education for low-income/high-risk youth in her community.  Ms. Eschman went on to attend Southern Illinois University School of Law, graduating with a specialization in Business and Transactional Law.  While attending law school, Ms. Eschman served as the Managing Editor for the Southern Illinois University Law Journal.  Additionally Ms. Eschman served as a judicial law clerk for the Jackson County Circuit Court of Illinois.

Since her admission to practice, Ms. Eschman has focused on estate planning and corporate law, but has recently expanded her practice to emphasize professional liability litigation.  Ms. Eschman recently moved to Tennessee from southern Illinois, and now resides in downtown Knoxville with her husband.

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Mark D. Trenner

Of Counsel

Mark D. TrennerMr. Trenner is a 1999 graduate of the University of Denver College of Law, where he served on the Law Review.  His law degree followed a bachelor’s degree in environmental engineering and a master’s degree in civil engineering.  Since graduating from law school, Mr. Trenner has obtained an additional bachelor’s degree in electrical engineering.  With his three engineering degrees and law degree, Mr. Trenner’s practice focuses on patent law.

Mr. Trenner is certified through the University of New Hampshire Radiation Training Program, and was Senior In-House Patent Counsel for the National Renewable Energy Laboratory, where he worked with the U.S. Department of Energy in several respects.  Mr. Trenner is licensed to practice law in Colorado, and is working with Lowe Yeager & Brown PLLC with a Tennessee license to practice law pending his admission.

Stephen E. Yeager

Of Counsel

Mr. Yeager is a 1971 cum laude graduate of Indiana University School of Law in Indianapolis, Indiana. From 1971 to 1975, Mr. Yeager served as a Captain in the United States Army Judge Advocate General Corp where he prosecuted and defended accused military personnel. Following his discharge from the United States Army, Mr. Yeager joined the law firm of Stuart & Branigin, Lafayette, Indiana, where he served as a partner in the litigation division. Representative clients included Purdue University, the Norfolk & Southern Railroad, and various insurance carriers.

From 1988 to the present, Mr. Yeager has continued his practice as a partner with the law firm now known as Lowe Yeager & Brown.  Mr. Yeager provides litigation services to various parties who face suit or, in the alternative, have been injured and are in need of legal representation.  He practices in all courts, state and federal.  He has tried many cases to the bench, as well as to juries. Further, he has participated in the mediation process, both as a litigant representative and a mediator on countless occasions.  His areas of representation include personal injury and property damage cases arising from automobile accidents, premises liability, products liability, and the construction field. Likewise, Mr. Yeager practices in the workers’ compensation area where he represents both Defendants and claimants.

Mr. Yeager has held appointments with the American Bar Association Federal Evidence Committee and Products Liability Committee.  He is also a member of the Tennessee Bar Association, the Defense Research Institute, and the Knoxville Bar Association.

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Knoxville, TN

900 S. Gay Street
2102 Riverview Tower
Knoxville, TN 37902
(865) 521-6527

Washington, DC

1629 K Street
NW Suite 300
Washington, DC 20006
(202) 204-2214