David Daberko

David A. Daberko is currently a Trustee at Hawken School.
Previously, he served as Chairman at National City Corp.
in 2007, Independent Director at RPM International, Inc. from 2007 to 2022, Independent Director at Marathon Oil Corp.
in 2011, Director at OMNOVA Solutions, Inc. from 1999 to 2007, Director at Williams Partners GP LLC from 2010 to 2015, Director at Williams Partners LP from 2011 to 2015, Director at Access Midstream GP LLC, Lead Independent Director at Marathon Petroleum Corp.
from 2016 to 2018, Independent Director at MPLX LP, Director at MPLX GP LLC from 2012 to 2018, and President at National City Bank (Cleveland, Ohio) from 1968 to 2007.
He has also served as a Trustee at Greater Cleveland Partnership, Case Western Reserve University, and University Hospitals Health System, Inc. Mr. Daberko obtained his undergraduate degree from Denison University in 1967 and an MBA from Weatherhead School of Management.