John Mandell
About John Mandell
John Mandell is the Managing Director and National Security Practice Leader at Maximus, with extensive experience in technology solutions and management consulting for various government departments.
Current Title and Company
John Mandell is the Managing Director and National Security Practice Leader at Maximus. He has held this position since 2021. Based in McLean, Virginia, United States, he is responsible for expanding technology solutions and management consulting services across key national security sectors including the Department of Homeland Security, Department of Justice, and Department of State.
Previous Roles at Attain and Guidehouse
John Mandell worked as the Managing Director and National Security Practice Leader at Attain, LLC from 2020 to 2021 for 8 months. Prior to that, he served as a Director at Guidehouse from 2018 to 2020 for 2 years, based in the Washington D.C. Metro Area. He brought his expertise in advanced analytics and process improvement to these roles, focusing on IT services and management consulting.
Tenure at PwC and Grant Thornton LLP
John Mandell spent a significant portion of his career at PwC, serving as a Director from 2010 to 2018 for 8 years. Before that, he worked at Grant Thornton LLP as a Senior Consultant from 2006 to 2010 for 4 years. His roles in these companies furthered his specialization in IT services, including Agile adoption and DevSecOps practices.
Initial Career and Education
John Mandell began his career at BearingPoint Inc. as a Senior Management Analyst from 2005 to 2006 for 1 year. He holds a degree in Information Systems and Operations Management from the University of North Carolina at Greensboro.