Bar & Court Admissions

  • Pennsylvania
  • New Jersey
  • U.S. District Court for the Eastern District of Pennsylvania

    U.S. District Court for the Middle District of Pennsylvania


The College of William & Mary's Marshall-Wythe School of Law, J.D., cum laude, 2012

  • Burton Award for Legal Achievement
  • 2012 Stephen E. Hermann Environmental Law Writing Contest (first place)
  • Senior Notes Editor, Environmental Law and Policy Review (2011-2012)

Hampden-Sydney College, B.A., summa cum laude, Phi Beta Kappa, May 2008, (Economics and Commerce, History)

MGKF Summer Associate Program

  • Chair, 2021

American Bar Association

  • Superfund & NRD Committee, Region 3 Reporter

Friends of the Wissahickon

  • Vice President of the Board

Chestnut Hill Conservancy, Conservation Easements Committee Member

Professional Highlights
News & Events

Garrett D. Trego is a partner with Manko, Gold, Katcher & Fox, LLP, where he concentrates his practice on environmental litigation, environmental regulatory, and site remediation matters.  Garrett prides himself on representing a wide variety of corporate, governmental, institutional, and individual clients in complex environmental matters.  His environmental litigation experience includes tort defense, cost recovery, and Superfund matters as well as environmentally-related business disputes.  He uses his thorough understanding of litigation e-discovery, the firm’s in-house technical expertise, and an appreciation for clients’ bottom-line business objectives to push for resolution of cases in a timely and efficient manner. 

Garrett’s regulatory practice includes managing portfolios of remediation sites under the Resource Conservation and Recovery Act (“RCRA”) and related state-law programs, defending clients in state and federal environmental enforcement matters, and counseling clients on issues related to the Federal Insecticide, Fungicide, and Rodenticide Act (“FIFRA”).  

Garrett earned his law degree cum laude from the College of William & Mary’s Marshall-Wythe School of Law.  At William & Mary, he served on the senior editorial staff of the Environmental Law and Policy Review.  His student note on financing and managing increasing wildfire danger across the U.S., published in 2012, was awarded a Burton Award for Legal Achievement and first place in the American College of Environmental Lawyers’ Stephen E. Hermann Environmental Law Writing Contest. He began his legal career as a commercial litigator in the Philadelphia office of an Am Law 100 firm. 

Prior to law school, Garrett obtained his undergraduate degree from Hampden-Sydney College in Virginia, and he completed one year of national service through AmeriCorps NCCC, working with the U.S. Forest Service in the Arapahoe-Roosevelt National Forest in northern Colorado and with Rebuilding Together in New Orleans, Louisiana.  Garrett lives in Fairmount in Philadelphia with his wife and children.

Honors & Awards

  • Pennsylvania Super Lawyers “Rising Star” listing (environmental law and litigation), since 2017. The Super Lawyers list is issued by Thomson Reuters. Click here to view the selection methodology.

    Eastern District of Pennsylvania Roll of Honor for Pro Bono practice

    Burton Award for Legal Achievement
  • 2012 Stephen E. Hermann Environmental Law Writing Contest (first place)

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Press Releases

Seminars & Speaking Engagements

"Placing Your Company on (Litigation) Hold" presented at the Association of Corporate Counsel's In-house Counsel Conference, Philadelphia, PA, April 20, 2023

"The ARCO Decision: Third-Party, State Law Claims and Superfund Challenges", a webinar presented on behalf of the American Law Institute, August 6, 2020

"The Deal is Done: How to Avoid and Manage Post-Transaction Remorse with a Focus on Environmental Liabilities" presented at the Association of Corporate Counsel’s In-House Counsel Conference, Philadelphia, PA, April 17, 2017