Ms. Sheahan provides legal advice and representation to both private and public sector employers and to individuals in all aspects of their workforce relationships. She gives counsel aimed at preventing the kinds of employer-employee conflicts that lead to litigation or support union organizing efforts. Her lodestar is to ensure that her business clients’ employee relations policies and practices comply with all regulatory and other legal requirements, reflect the “best practices” of the employee relations field and give effect to the client’s business goals. She has extensive experience in: 

  • Defending workplace discrimination claims before State and federal agencies and courts; Assisting employers in drafting affirmative action plans and defending them during OFCCP and State agency compliance and pre-award audits;
  • Conducting investigations of internal complaints and assisting in interactive explorations of accommodation alternatives;
  • Providing workforce-wide anti-harassment and other training as well as individualized managerial coaching on employee selection, evaluation and disciplinary procedures.
  • Assisting employers to achieve and maintain compliance with federal and State compensation mandates by conducting internal audits of pay practices and exempt/non-exempt and employee/independent contractor designations as well as defending federal and State government-initiated audits, administrative charges and judicial claims;
  • Helping employers manage federal and State Family & Medical Leave Act and other leave law obligations through defense of administrative and judicial claims and policy development, education and implementation;
  • Working with employers to maintain an existing union-free status and resist union election campaign drives, to negotiate and implement collective bargaining contracts, to manage the grievance-arbitration process, to face union strike situations and to defend unfair labor practice proceedings before the National Labor Relations Board, the Connecticut State Board of Labor Relations and the courts.
  • Guiding employers in protecting their investments in proprietary information and business development interests by devising, defending and prosecuting non-competition and confidentiality agreements.

In assisting our individual clients, Peg provides strong advice and counsel about employment contracts, severance agreements, rights and obligations under State and federal anti-discrimination laws, FMLA matters, pay and benefits rules, sex and other workplace harassment issues and non-competition/confidentiality agreements. She also represents individuals before federal and State employment-related agencies and in court. 

Peg was a member of the board of the award-winning workforce development organization, The Workplace, Inc., from 2000-2023, and served on its Executive, Bylaws and Personnel Committees. She also served on the board of directors and Executive Committee of the Bridgeport Regional Business Council, and was twice honored as the BRBC’s “Volunteer of the Year.” She sits on the Advisory and Regional Boards of the Women’s Business Development Council, an entrepreneurial educational organization. Ms. Sheahan also serves on the advisory board of Pacific House f/k/a the Stamford Shelter for the Homeless. She served on the Board of Trustees of the Stratford Library Association from 2013-2023.

Margaret M. (Peg) Sheahan
Rated by Super Lawyers


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Margaret M. (Peg) Sheahan
Rated by Super Lawyers


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Margaret M. (Peg) Sheahan
Rated by Super Lawyers


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Bar Admissions
  • New York, 1980
  • Connecticut, 1980
  • U.S. Court of Appeals 2nd Circuit, 1987
  • U.S. District Court District of Connecticut, 1981
  • U.S. District Court Southern District of New York, 1981
  • U.S. Supreme Court
Practice Areas
  • Employment Law
  • Labor Law
  • Litigation
  • Trial Practice
Professional Memberships And Associations
  • American Bar Association
  • Connecticut Bar Association
  • Greater Bridgeport Bar Association
  • Fairfield County Bar Association
  • Labor & Employment Law Subject Editor of the Connecticut Bar Journal
  • Connecticut Bar Association Labor and Employment Section’s Executive Committee
Awards And Recognitions
  • Martindale-Hubbell® AV Preeminent Peer Rated (profile)
  • Selected for inclusion in the 2022 Martindale-Hubbell® AV Preeminent Attorney – Judicial Edition
  • Selected for inclusion in the 2013 edition of the Martindale-Hubbell® Bar Register of Preeminent Women Lawyers™
  • Recognized by Best Lawyers® since 2012
  • Best Lawyers Lawyer of the Year, Litigation-Labor and Employment, New Haven Metro Area, 2022
  • Best Lawyers Lawyer of the Year, Employment Law-Individuals, New Haven Metro Area, 2016, 2018 and 2021
  • Recognized by Super Lawyers® since 2006 (Super Lawyer profile)
  • Top 25 Women Connecticut Super Lawyers 2018-2022 (Super Lawyer profile)
  • United States Small Business Administration’s 2011 Connecticut’s Women in Business Champion of the Year. U.S. U.S. Small Business Administration.pdf
  • Top Lawyer” in Fairfield County in the practice of Labor and Employment Law and Civil Litigation by Moffly Media 2010-2013
  • Listed in “the 200 Outstanding Lawyers in Fairfield County” in 2016 and 2017 by Moffly Media
  • 2015 Woman of the Year by the Connecticut Labor & Employment Women