Timothy Timmerman Tax Department, Cardinal Health Timothy Timmerman is a Director in the tax department of Cardinal Health. Mr. Timmerman has been a corporate tax attorney for 32 years. He worked for Ford Motor Company, Tyco International and Teva Pharmaceuticals before taking his current position at Cardinal Health. He has a broad range of experience dealing with tax and financial issues. He also has firsthand experience that has heightened his passion for sarcoma research. Mr. Timmerman joined the SARC Board in 2015 and finished his appointment in 2026. He is a long-term member of the SARC Finance Committee.