Guy A. Donatelli
Partner, Co-Chair Employment Law
- Employment
- Education
- Litigation
- Municipal, Land Use, and Condemnation Law
- Government Liability & Civil Rights Defense
Guy Donatelli is a partner in the Litigation Department at Lamb McErlane. He concentrates his practice on employment, education and commercial litigation, representing individuals, businesses, and municipalities in employment, business and land use disputes throughout Chester, Bucks, Delaware, Montgomery, Philadelphia and Lehigh counties and in the United States District Court for the Eastern District of Pennsylvania.
In addition to his law practice, Guy serves as solicitor to a number of municipalities, including two townships and a school district, providing counsel on varied issues of local and regional public importance. At the state level, Guy has represented various agencies of the Commonwealth of Pennsylvania on issues of statewide significance. In particular, he has developed a niche practice in matters related to school zero-tolerance policies and student discipline.
Guy writes for the Pennsylvania Bar Institute’s Continuing Legal Education program as a member of the faculty and has also published articles on issues faced by local and state governmental agencies.
Guy has been named a Pennsylvania Super Lawyer since 2008.
ADMISSIONS:
- Supreme Court of Pennsylvania
- Supreme Court of the United States
- U.S. District Court for the Eastern District of Pennsylvania
- U.S. District Court for the Middle District of Pennsylvania
- U.S. District Court for the District of New Jersey
- U.S. Court of Appeals for the Third Circuit
EDUCATION:
- Temple University Law School, L.L.M.
- Villanova University School of Law, JD
- Connecticut College, B.A. — Political Science
COMMUNITY SERVICE & AFFILIATIONS:
- Chester County Bar Association
- Pennsylvania Bar Association
- Civil Rules Committee of the Court of Common Pleas of Chester County
- Pennsylvania Bar Institute’s Continuing Legal Education program
- Chairman, Board of Supervisors, Upper Uwchlan Township [Former]
AWARDS/RECOGNITION:
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- Named a 2024 Top 100 Philadelphia Super Lawyer
- Named a Pennsylvania Super Lawyer
- Named a Best Lawyers in America© 2021-2024 Philadelphia, Labor & Employment
- Named a 2020–2023 Five-Star/Top Attorney by Suburban Life magazine
- Named a 2016 Main Line Today Top Lawyer
- Named a 2017 Main Line Today Top Lawyer
- Named a 2018 Main Line Today Top Lawyer
- Named a 2019 Main Line Today Top Lawyer #1 – Civil Rights
- Named a 2020 Main Line Today Top Lawyer
- Named a 2023 Main Line Today Top Lawyer
PODCASTS:
- In this legal podcast Lamb McErlane PC partners Jim Sargent and Guy Donatelli discuss the various PA court systems and navigating civil disputes. So You Want to Go to Court…
- Click here to listen to Lamb McErlane PC Attorneys Guy Donatelli & Mary-Ellen Allen discuss Employment Law and Separation Agreements on WCHE Radio 1520.
- Do you own a business? Click here to listen to the ‘Things You Need to Know about Business Divorce’ podcast by Lamb McErlane PC partners Guy Donatelli & Jim Sargent.

In the News
- Twenty-One Lamb McErlane PC Attorneys Recognized as 2025 Best Lawyers in America© & Ones to Watch
- Twenty-Four Lamb McErlane PC Attorneys Recognized as 2024 Main Line Today ‘Top Lawyers’
- Twenty-Eight Lamb McErlane Attorneys Voted 2024 ‘Top Lawyers’ of Chester County by Daily Local News Readers’ Choice
- Twenty-Two Lamb McErlane PC Attorneys Named 2024 Pennsylvania Super Lawyers and Rising Stars
- Twenty-One Lamb McErlane PC Attorneys Recognized as 2023 Main Line Today ‘Top Lawyers’
- Nineteen Lamb McErlane PC Attorneys Recognized as 2024 Best Lawyers in America© & Ones to Watch
- Twenty-Eight Lamb McErlane Attorneys Voted 2023 ‘Top Lawyers’ of Chester County by Daily Local News Readers’ Choice
- Twenty-One Lamb McErlane PC Attorneys Named 2023 Pennsylvania Super Lawyers and Rising Stars
- Thirty-Two Lamb McErlane PC Attorneys Recognized as “Top Attorneys” in Suburban Life Magazine
- Thirty-Four Lamb McErlane PC Attorneys Recognized as “Top Attorneys” by Suburban Life Magazine
- Sixteen Lamb McErlane PC Attorneys Recognized as Best Lawyers in America© & Ones to Watch 2023
- Thirty Lamb McErlane PC Attorneys Recognized as 2022 Main Line Today ‘Top Lawyers’
- Twenty-Eight Lamb McErlane Attorneys Recognized as 2022 “Top Lawyers” by Daily Local Readers
- Twenty-One Lamb McErlane PC Attorneys Named 2022 Pennsylvania Super Lawyers & Rising Stars
- Thirty-Six Lamb McErlane PC Attorneys Recognized as “Top Attorneys” by Suburban Life Magazine
- Sixteen Lamb McErlane PC Attorneys Recognized as Best Lawyers in America & Ones to Watch 2022
- Twenty-Nine Lamb McErlane PC Attorneys Recognized as 2021 Main Line Today Top Lawyers
- Twenty-Eight Lamb McErlane PC Attorneys Recognized as 2021 “Best Lawyers” in Chester County
- Eighteen Lamb McErlane PC Attorneys Have Been Named 2021 Pennsylvania Super Lawyers and Rising Stars
- Thirty-Eight Lamb McErlane PC Attorneys Named Suburban Life Five-Star / Top Attorneys
- Lamb McErlane PC Partners Guy A. Donatelli & James C. Sargent Present at CCBA Annual Bench Bar on Business Divorce
- Seventeen Lamb McErlane PC Attorneys Recognized as Best Lawyers in America© & Ones to Watch 2021
- Twenty-Four Lamb McErlane PC Attorneys Named 2020 Main Line Today Top Lawyers
- Nineteen Lamb McErlane PC Attorneys Have Been Named 2020 Pennsylvania Super Lawyers and Rising Stars
- Lamb McErlane PC Attorneys Named Suburban Life Philadelphia Top Attorneys
- Lamb McErlane PC Attorneys Guy Donatelli and Mary-Ellen Allen Discuss Employment Law and Separation Agreements on WCHE Radio 1520
- Lamb McErlane PC Supports the Downingtown High School Music Parents Association & the Cavalcade of Bands.
- Thirteen Lamb McErlane PC Lawyers Recognized as The Best Lawyers in America© 2020
- Lamb McErlane PC Announces Twenty-Six Firm Attorneys Have Been Named 2019 Main Line Today Top Lawyers
- Three Lamb McErlane PC Attorneys Elected Chairs of Township Boards of Supervisors
- Lamb McErlane PC Announces Twenty-Two Firm Attorneys Have Been Named 2018 Main Line Today Top Lawyers
- Lamb McErlane PC Announces Thirteen Firm Attorneys Have Been Named 2018 Pennsylvania Super Lawyers and One Rising Star
- Lamb McErlane PC Announces Eight Firm Attorneys Have Been Named Suburban Life Top Attorneys
- Lamb McErlane PC Announces Sixteen Firm Attorneys Have Been Named 2017 Main Line Today Top Lawyers
- Lamb McErlane Announces Twelve Firm Attorneys Have Been Named 2017 Pennsylvania Super Lawyers
- Lamb McErlane PC Announces Fourteen Firm Attorneys Have Been Named 2016 Main Line Today Top Lawyers
- 7 Things Employers Need To Know About the New Overtime Rule
- Lamb McErlane PC Partner Guy Donatelli Reappointed as Hearing Committee Member for the Disciplinary Board of the Supreme Court of PA
- Lamb McErlane Announces Eleven Firm Attorneys Have Been Named 2015 Pennsylvania Super Lawyers and Rising Stars
- Lamb McErlane PC Partner Guy Donatelli Named the Lionville YMCA’s Volunteer of the Year for Social Responsibility
- Lamb McErlane Announces Thirteen Firm Attorneys Have Been Named 2014 Pennsylvania Super Lawyers and Rising Stars
- Lamb McErlane PC Announces Nine Firm Attorneys Have Been Named 2013 Pennsylvania Super Lawyers and Three Rising Stars
- Lamb McErlane Announces Fourteen Attorneys Have Been Named 2012 Pennsylvania Super Lawyers