Mark Prost

Mark Prost

Controller & Technology

p: 314.743.1834


Mark has been a loyal POE member for over 20 years. He began his career in cash management at A.G. Edwards before moving on to spend 10 years in accounting and property management at McDonnell Douglas. He made his final change to POE, taking over as Company Controller and I.T. Manager. Mark wears many hats. He is responsible for POE’s financial statements, tax compliance, and management of the accounting department, as well as overseeing the company’s computer network and human resources department.

Mark enjoys the daily challenges and diversity of responsibility at POE, and gives his all on a daily basis. When not practicing control at POE, he enjoys spending time with his family and participating in outdoor activities such as hiking, biking, sailing, and fishing.