Exactus Advisors


Mark VonSeipler


Mark is an accomplished IT professional with over 35 years of progressive leadership and large-scale technical infrastructure, systems development, and project management experience. He has demonstrated proficiency in developing and leading both IT departments and multi-functional, global projects that implement and integrate purchased and custom software on time and on budget.

Mark has strong leadership, relationship-building, and communication skills across all levels of business, technical, and development teams. His ERP implementation experience includes both Oracle and SAP.

“Mark has a mix of deep technical skills, incredible large project management and complicated budget management skills, vendor management proficiencies, strong IT operational discipline mentalities, conceptual thinking abilities, and an ability to develop people that are extremely rare in the IT community.” – Creighton Warren, CIO, USG Corp.

After spending 3 years in Pennsylvania, Mark is excited to be back in his hometown of Chicago. He is an avid tennis fan and enjoys volunteering with charitable organizations such as Chicago Cares, Habitat for Humanity and the Humane Society.

Mark is a board member of TRI Industries, a non-profit organization that creates work, training and support for people with significant disabilities.