Shiverick is a co-founder of Seminole Management Company, co-chairman of the Cancer Research Institute, Inc. and serves on the boards of the Hawken School in Northeast Ohio, the United States Wrestling Foundation and the Clark Foundation.

Prior to co-founding the Seminole Management Company, Shiverick was a partner at SRG Associates and started his career at Oppenheimer & Company as an equity analyst. He graduated with a degree in geology from Northwestern University in 1975 and received an M.B.A. from the Amos Tuck School of Business at Dartmouth College.