Our Team


PMP, Project Manager

DEPARTMENT: Technology

Justin Klein, PMP, Project Manager

Justin joined Maner Costerisan in 2016 and is a senior manager in the firm’s Business Solutions and Technology department. In his role as a project manager, he plays an integral part in the planning, managing and launching of Microsoft BC and Sage Intacct software system implementations.

Always looking to make things better, Justin plays an active role in evaluating the Technology department’s processes and procedures, looking for opportunities to become more efficient and better support firm clients. In addition to his project management duties, Justin also provides client account management for many of our clients. He is committed to the firm by serving on the firm’s Government Industry Committee, the Career Development Committee, and the Technology-Business Solutions Departmental Committee.

Justin is passionate about helping clients improve their work-life by getting the most out of their financial systems. His expertise as a certified Project Management Professional (PMP) and deep knowledge in accounting and finance make him well-suited to provide leadership across software implementation and help Maner’s clients achieve their unique goals.

Prior to joining Maner Costerisan, Justin served as a project manager at BS&A Software, where he helped implement accounting software for municipal clients across the country.

A graduate of Michigan State University with a Master of Accounting and a Bachelor of Finance, Justin lives in Pewamo, Michigan, with his wife and three children. Outside of the office, he enjoys sports, especially Michigan State football and basketball, gardening and spending time with family and friends.

Listen first, then respond. Fully understanding the other person's point of view is critical in business and life.

Years of Experience



Project Management Institute (PMI)


Project Management Professional (PMP)