Colleen Witzel

Colleen Witzel is a finance professional currently serving as Plant Controller at Graham Packaging since August 2023, focusing on finance to operations communications, forecasting, and budgeting. Previous experience includes roles as Controller at JB Harris Transport and Logistics for a brief period, and Assistant Controller and Financial Operations Analyst at Impact Fulfillment Services from May 2021 to April 2023. Colleen also worked as Senior Staff Accountant at Hitachi Construction Machinery Loaders America Inc. from August 2017 to May 2021, where responsibilities included tax return preparation and internal auditing. Early career positions include Staff Accountant, Junior Staff Accountant, and Accountant at various firms, along with an internship in internal audit at Clayton State University. Colleen holds a Bachelor's degree in Accounting and Finance from Clayton State University, where enrollment began in 2015.