Cheryl A. Kostura, MBA

Staff Operations Manager

Cheryl A. Kostura is the Staff Operations Manager at Siegel Jennings. She is responsible for overseeing the Ohio and National Cost Centers Administrative Staff. She handles the training firm wide on the firm’s database and procedures.  Cheryl joined Siegel Jennings in 2004 as a Legal Assistant.  She has managed both the Ohio Board of Tax Appeals and the local county Boards of Revision dockets throughout her time with the firm.  She also has worked closely assisting Managing Partner Kieran Jennings with organization and monitoring the appeals of portfolio clients across the country.   In 2016 she became the National Portfolio Manager. She was responsible for the day-to-day management of all the firm’s portfolio clients and coordinating with co-counsel across the country.


  • Mount Union College (now known as The University of Mount Union) 2004 - Bachelor of Arts in Political Science
  • Lake Erie College 2007 - Master of Business Administration

Professional Associations

  • CREW Cleveland, chapter of CREW Network

Selected Publications