Knox McLaughlin Gornall & Sennett, P.C.

Mark T. Wassell

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Practice Areas


  • Cleveland Marshall College of Law, J.D.; Law Review, Staff Member, 1982–1983, Managing Editor 1983–1984
  • Allegheny College, B.A.

Admissions & Certifications

  • Pennsylvania
  • Ohio
  • U.S. District Court, Western District of Pennsylvania
  • U.S. District Court, Northern District of Ohio
  • U.S. Court of Appeals for the Third Circuit
  • U.S. Court of Appeals for the Sixth Circuit

Professional Affiliations

  • Erie County Bar Association
  • Pennsylvania Bar Association
  • Pennsylvania Bar Association, Labor and Employment Law Section
  • Pennsylvania Bar Institute, Former Board of Directors Member

Mr. Wassell counsels and defends employers in all aspects of labor and employment law. He represents employers in a range of sectors including manufacturing, healthcare and education. Mr. Wassell’s practice includes hiring and termination issues, claims of discrimination and harassment, drug testing, employee handbooks and collective bargaining. He also conducts in house training programs for employers on a number of employment topics. Prior to joining Knox, Mr. Wassell practiced at a large firm in Cleveland, Ohio.

Recent Accomplishments

  • Drafted and revised employee manuals and specific employment policies including FMLA policies, drug testing policies, and sexual harassment policies for a large financial institution with branches in four states
  • Successfully defended a private company before the National Labor Relations Board after charges were filed asserting it had terminated one employee and laid off another due to Union activity
  • Counseled an employer in the health care industry with numerous offices in Western Pennsylvania in negotiating and drafting individual employment contracts and non-compete and confidentiality agreements
  • Provided counsel to a company during a strike, and successfully resolved unfair labor practice charges and claims for unemployment benefits filed by strikers
  • Served as chief negotiator for four school districts involved in collective bargaining negotiations, assisting in developing bargaining strategies and providing advice so as to avoid unfair practice charges

Speaking Engagements

  • Firm’s Workplace Law Forum
  • Firm’s Municipal Law Symposiums
  • Healthcare Ventures Alliance Long-Term Care Seminars
  • Firm's Litigation & Workers’ Compensation Seminar
  • Mercyhurst University, Adjunct Professor
  • Regularly conducts in house training programs on employment topics for manufacturers, healthcare providers and school districts
  • Frequent lecturer on personnel matters to business and professional groups including, among others: The Community Foundation of Western PA and Eastern OH, Human Resource Management Association of Northwest PA, Erie County Human Relations Commission, Midwestern Intermediate Unit IV, Lawrence County PA CareerLink and Chamber of Commerce, Shenango Valley Chamber of Commerce, Warren County Chamber of Business and Industry, West Central Job Partnership, Western PA Human Resources Association, and the PA Association of School Business Officials

Community & Professional Service

  • Hamot Health Foundation, Board of Corporators
  • Erie County Aquatic Hall of Fame, Board Member
  • The Kahkwa Club, Board Member
  • Boys & Girls Club, Former Board President
  • Church of the Nativity, Parish Council

Firm Involvement

  • Shareholder
  • Labor and Employment Group, Practice Group Leader