Leonard J. Bartosiewicz
July 30, 2025
Leonard J. Bartosiewicz, 98, of Buffalo, passed away Wednesday. Born to Jan and Rose (nee Grajko) Bartosiewicz, he retired from Bristol-Myers Squibb in 1993 after 46 years. Leonard was a member of the Professional Ski Instructors of America,... View Obituary & Service Information
