Tom Preston

Tom W. Preston

Managing Director

+1 (703) 923 8058

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Tom is a managing director in Baker Tilly’s government contractor solutions practice. Tom has over 30 years of experience in consulting with comprehensive accomplishments leading large enterprise technology transformations, ERP implementations, process optimization, cybersecurity, and managing cross-functional teams to achieve goals. He is an innovative thinker with strong federal government, intelligence, defense/U.S. Department of Defense (DoD), and commercial consulting acumen. He is experienced in leading digital, artificial intelligence (AI) and machine learning (ML) and robotic process automation (RPA) projects for large-scale organizations.

Prior to joining Baker Tilly, Tom was with a global technology, data, and management consulting services firm. Most recently, Tom managed the three year, $100 million enterprise-wide “Nextgen” financial transformation, including integrated ERP design and implementation for finance (Deltek Costpoint), supply chain (Ivalua), business intelligence (Tableau), and automated workflow (Integrify).

  • Provides services in the areas of digital transformation, Costpoint consulting, AWS Services, AI and ML, and Analytics
  • Managed 150 employees and vendor staff working on 10 project components for over a $100 million, three year enterprise-wide program
  • Lead requirements gathering, analysis, planning, testing, and rollout to 500 core users, over 5,000 project managers, over 11,000 external suppliers, and a new time and attendance module to over 28,000 staff
  • Identified 30% reduction in operational legacy systems footprint and developed robotic process automation and machine learning plans for post-go-live operational improvements (project forecasting, operational metrics)
  • Translates complicated terminology into easy-to-understand concepts
  • Recognizes for implementing roadmaps by analyzing details to understand deliverables, emerging trends, and stakeholder requirements
  • Chartered Financial Analyst Charterholder, CFA Institute (2018)
  • Certified DevOps Professional, AWS (2022)
  • Google Certified TensorFlow Developer (2021)
  • Certified Solutions Architect – Professional, AWS (2021)
  • Certified Developer – Associate, AWS (2021)
  • Certified Solutions Architect – Associate, AWS (2021)
  • Certified Data Analytics, AWS (2021)
  • Certified Machine Learning, AWS (2021)
  • Certified Developer – Associate, AWS (2021)
  • Certified Cloud Practitioner, AWS (2020)
  • Certified Public Accountant (CPA), State of Virginia
  • Certified Information Systems Auditor (CISA)
  • Certified Information Security Manager (CISM)
  • Project Management Professional (PMP), PMI
  • Certified Business Process Expert, SAP
  • Certified Management Accountant (CMA)
  • Certified Internal Auditor (CIA)
  • Certified Government Financial Manager (CGFM)
  • Certified Defense Financial Manager with Acquisition (CDFM-A)


Washington, DC


Master of Business Administration, business analytics

Indiana University – Bloomington

Master of Science, management information systems

Carnegie Mellon University

Bachelor of Science, accounting

University of Tennessee