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About Us

Sems & Associates Limited

connectedExperts is the Managed Services & IT Services wing of Sems & Associates Limited.

Sems & Associates was founded in 2007. We provide technology, accounting and other professional services to a wide range of customers both in the government and commercial space. Our Leadership has multi-national and Big 4 experience. We bring this same level of service to our clients no matter the size.

Our Leadership

Growing a consulting firm takes more than just good ideas. It takes strong leaders. To help us realize our vision, we found talented people from various backgrounds in multiple industries.

Through our leadership team, and with the support of our customers, Sems+Associates is a growing provider of forensic and technology services. We're proud of our accomplishments thus far, and believe the future holds even more potential.


David E. Sems, CPA, CITP, CFF Co-Founder

David is the CEO and Founder of Sems+Associates. David previously worked at Ernst & Young where he was the Americas Leader of Forensic Analytics. He leads a group of professionals that applies today’s analytics technology to investigations, disputes and business processes. David has more than 11 years of experience providing services to clients in a wide variety of industries. David has extensive familiarity with international work stemming from providing services in 12 countries within Europe and North America.

His skills cover the full range of services from computer forensic analysis to transactional data analytics. He helps clients by finding the “needle in the haystack”. Using leading techniques including fuzzy string matching, link analysis, text mining, trend analysis, self-organizing maps and cluster analysis, David leads teams to help clients discover patterns and anomalies in huge sets of disparate data that can be used to identify high-risk, non-obvious or suspicious activities.

David holds a bachelor’s degree in accounting from the University of Akron and is a member of the American Institute of Certified Public Accountants (AICPA) and the Ohio Society of CPAs. He maintains the designation of Certified Information Technology Professional and Certified in Financial Forensics from the AICPA. David is also an associate member of the Association of Certified Fraud Examiners.


Joseph Thompson Lead Technician

Joe serves as the Lead Technician of Consulting Services. Joe holds two degrees in the area of computer science with the first being Computer Maintenance and Networking and the second Computer and Digital Forensics. Along with the two degrees in computer science, Joe has also earned the certification of AcessData Computer Forensic Certified Examiner (ACE). Joe has excelled in his area of expertise earning the role of Lead Technician in as little as a year. His daily activities include taking care of all clients and monitoring all network systems to ensure maximum business productivity. With his can-do attitude there is no project too small or too large to handle.

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