Prior to his arrival at UVM, Tkatch had taught at the Circle in the Square Professional Theatre School; the New York University, B.F.A. Acting Program; the University of Alabama, M.F.A., Acting Program at the Alabama Shakespeare Festival; Temple University, Department of Theatre; and Villanova University, Department of Speech and Communication. He has acted and stage managed at numerous Off Broadway, Off-Off Broadway, stock and regional theatres such as the Alabama Shakespeare Festival, the American Shakespeare Festival (Stratford, CT), the Kennedy Center, the Actors Theatre of Louisville, Riverside Shakespeare Company, Theatre by the Sea, The Minetta Lane, Theatre at Sea, and the Vermont Stage Company.

In New York, Tkatch served on committees at both the Screen Actors Guild and Actors’ Equity Association. At SAG he was a recipient of the Joseph C. Riley Service Award for service to membership on the Agency, Conservatory, Film, Nominating, and VITA Committees. At Actors’ Equity he was elected to the governing Council and served as vice chair of the LORT, Off Broadway, and Equity Fights AIDS Committees, as well as a member and vice- chair of several contract negotiating teams. Prior to coming to UVM, he also served on the Board of Directors as well as the founding Steering and Program Committees of Broadway Cares, later Broadway Cares/Equity Fights AIDS, and as a board member of the People With AIDS Theatre Workshop.

Currently he is a member of Actors’ Equity Association, the Screen Actors Guild, the American Federation of Television and Radio Artists, the Stage Managers’ Association, the Voice and Speech Trainers Association, the Actors’ Fund of America, the Voice Foundation, and the Drama League.