​​Our Staff

​The most powerful assets to our organization are our dedicated, intelligent and inspiring professionals who show up every day and give it their best. We are proud of all the staff that contribute to the success of Manahan.

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Steven Maenle

Executive Director

Steve joined Manahan in May 2021. He has served individuals with disabilities for more than 30 years in various roles; most recently at Champaign Residential Services, Inc. (CRSI), Ohio’s largest nonprofit organization providing services for people with disabilities. Prior to his nine years at CRSI, Steve served in similar leadership roles with Sunshine, Inc. and The Epilepsy Center of NW Ohio. A University of Toledo alumnus, Steve is a long-time advocate and frequent presenter at regional conferences and seminars on issues related to the health and well-being of those with developmental disabilities. Locally, he has been involved for the last eight years serving on the Board of the Holiday with Heart charity. 

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Jim Bartnik

Director of Finance

With over 45 years of experience in profit and non-profit organizations, Jim has an undergraduate degree from the University of Toledo and is a licensed Certified Public Accountant in Ohio. For over 10 years, Jim has been responsible for all the Financial and Accounting functions here at Manahan.

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Kati Graham

Director​ of Nursing

Kati joined the Manahan team in May 2022. She has a bachelor’s degree in the science of nursing and has been working in the DD field since 2014. Kati is passionate about educating medical professionals on providing quality medical care to individuals with disabilities as well as increasing awareness of the DD field as a career path for medical professionals. Kati oversees med techs, DSPs certified in medication administration, as well as multiple nurses assisting in the care of individuals. Kati also oversees the dietary department and the QIDPs.

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Matt Henry

Associate Director

Matt joined Manahan in November, 2021, after previously working here from 2008-2013.    He oversees the Human Resources department.   Prior to returning back to Manahan,  Matt served at a similar role with Sunshine Communities. Matt has a Master’s degree in Organizational Leadership from Lourdes University, and a Bachelor of Business Administration degree from the University of Toledo.

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Melissa Gregg

Director of Communications & Development

Melissa started at Manahan in June 2017. She manages all of the marketing, communications, fundraising and volunteer program. She is passionate about introducing the community to individuals with disabilities. Melissa has a Bachelors Degree in Journalism and a Minor in Marketing. She serves on The Miracle League of Northwest Ohio's board.

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Tamara Wittkofske

Program Director​

Tami joined Manahan in January  2022 and oversees the direct care team, scheduling and recreation. She  has more than 12 years experience in the I/DD field, including 8 years in leadership. Tami started  her career as a Special Education Paraeducator with Department of Defense military schools in Germany. Tami graduated from the University of Maryland Global Campus with a bachelor’s degree in psychology. She is a board member for Preferred Properties (P2) and has served as their chair since August 2022.