(865) 521-6527

Our People

Gregory Brown

Managing Attorney

First licensed in 1999, Mr. Brown’s background is in ethics and complex 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 different states, and has extensive experience litigating a broad array of subject matters, including healthcare, construction, environmental, real estate, intellectual property, professional malpractice, and products liability litigation.  He began his career in Boston and came to Lowe Yeager & Brown PLLC after practicing for several years in a large Washington, DC, law firm.  He is listed by the Tennessee Supreme Court as a Rule 31 civil mediator and attorney mentor, and has testified as an expert witness on subjects related to professional ethics, the Rules of Professional Responsibility, and the standard of care applicable to attorney’s practicing in litigation.

Based on this broad background, Mr. Brown represents clients in select, complex litigation matters; advises and represents professionals, executives, and public officials regarding ethical, licensing, and professional liability issues; and advises corporate clients regarding conflict avoidance and resolution, often in the healthcare, environmental, and real estate development markets.  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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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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Christopher C. Field


Since his admission to practice in 2009, the majority of Mr. Field’s practice has focused on professional liability defense.  Prior to joining the firm, Mr. Field’s work focused almost exclusively on the defense of physicians in health care liability cases.   After joining Lowe Yeager & Brown PLLC in 2011, the scope of Mr. Field’s practice has broadened to include a variety of complex litigation, with an emphasis on the representation of attorneys in legal malpractice cases.  Mr. Field has also defended a number of attorneys and other debt collectors in Fair Debt Collection Practices Act cases in federal court, and continues his representation of healthcare providers in select disputes.   Mr. Field is a member of the Tennessee Bar Association and the Knoxville Bar Association.

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W. Scott Hickerson


Licensed since 2007, Mr. Hickerson’s background is in civil litigation. With most of his legal practice focusing primarily on general and professional liability defense, Mr. Hickerson has experience with both the defense and plaintiff’s bars where he works closely with individual clients, members of the insurance industry, and with representatives of local, regional, national, and multi-national companies and corporations.

Mr. Hickerson came to Lowe Yeager & Brown PLLC after practicing for over a decade with a state-wide law firm in both Memphis and Knoxville handling a variety of matters involving personal injuries, slip/trip and falls, wrongful death, automobile and trucking accidents, healthcare liability claims, product liability assertions, employment disputes, and construction defects.

With the background he possesses, Mr. Hickerson consults with and advises clients regarding potential risks and liabilities, possible exposure, and conflict avoidance. He further serves as pre-trial, trial, and appellate counsel and, where warranted, negotiates the settlement and resolution of claims.

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Darryl G. Lowe

Senior Attorney

First licensed in 1974, and achieving senior status at the end of 2018, 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 PLLC.  His experience included medical malpractice defense, dental malpractice defense, asbestos personal injury property damage defense,  and nursing home defense.  He has tried cases in Tennessee, Arkansas, Alabama, Texas, and Illinois.

He began representing lawyers in 1984, and from approximately 1994 Mr. Lowe’s practice 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 for many years beginning in 1994. 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 has been 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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Mark D. Trenner


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 Tennessee.

Stephen E. Yeager

Senior Attorney

Achieving status at the end of 2017, 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 through 2017, Mr. Yeager practiced as a partner with the law firm now known as Lowe Yeager & Brown PLLC.  He practiced in all courts, state and federal, and has tried many cases to the bench, as well as to juries, representing both individuals and companies.

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