About Us

The Sitter Service has branches in Cincinnati, Ohio and Tucson, Arizona. The Sitter Service was started in 2005 by sisters Kelsey Warren and Kristina Bishop with their husbands David and Corey. Both sisters have dedicated much of their lives to caring for children and their families. 

Kelsey Warren lives in Cincinnati and is a mother of three children. She is an active volunteer at her children’s school and at her church. For two years she led a moms group, Time Out for Moms, that helped moms connect with each other.

Kristina Bishop lives in Tucson and is pursuing her Ph.D. in geography. She has over 15 years experience working with children including teaching pre-school in Cincinnati, teaching primary school with the Peace Corps in South Africa, and working with infant and toddlers as a service coordinator with Help Me Grow in Cincinnati. She has also held numerous babysitting and part-time nanny jobs. 

David Warren is the Chief Executive Officer of Officecare Corporation in Cincinnati and has over 10 years of business experience in information technology.

Corey Bishop is an information technology specialist for HealthTrio in Tucson and has six years of professional technology experience.