The ABS senior management is comprised of very talented and experienced individuals who have extensive experience helping companies across the country maximize their ERP and CRM software investments. They will be assisted by other members of our expert team throughout the project.

  • Christopher J. Carrigee

    P.E., CPA, President

    Chris graduated from Louisiana State University in 1990 with a degree in Electrical Engineering and subsequently obtained Professional Engineering and CPA licenses. Prior to founding ABS in 1999 in New Orleans with his father, Henry Carrigee, Jr., also a CPA, Chris gained extensive project management and information technology experience in the energy industry including both Power and Controls experience. His controls experience included both PLC and DCS systems in manufacturing environments. His high-tech expertise blended with his extensive knowledge and experience in accounting make him an invaluable asset both to ABS and to our customers.

    ABS opened their second office in Nashville in 2004. Following Hurricane Katrina’s landfall in 2005 and the subsequent decrease in business Chris moved to Austin in 2008 and opened that office. ABS has clients from coast to coast and in several foreign countries.

    Chris has served previously on the Louisiana CPA Society Technology Committee and has contributed articles to various technology publications. On his down time, Chris enjoys spending time in the outdoors with his four children.

  • Theo Kersten

    Consulting Center of Excellence

    Theo earned his degree in Economics and started working with Dynamics Navision in 2003 in the Netherlands, shortly after it had been acquired by Microsoft and rebranded to Dynamics 365.

    In 2010 he moved to Nashville, Tennessee and joined the ABS team. Since that time, his ability to develop customized process improvement systems has been a tremendous asset to ABS and our customers. He has extensive experience in implementing IT solutions to manage any aspect of business operations from business analysis to data conversion and start up support.

    He is multi-lingual and enjoys cycling through the country roads of Tennessee. On his off time, Theo loves to travel the world with his wife Annemarie and son Daan.

  • Carrie Wiles

    Director of Customer Care

    Carrie holds a degree in Finance and Management Information Systems (IT for business).  She has over 20 years of experience in the ERP Industry as both a partner and an end user She began working specifically with Navision/Dynamics NAV in 2001 and has extensive knowledge implementing all areas of NAV functionality. 


    Carrie has worked in the role of Strategic Management Planning, Sales support, Implementation Lead, Account Management, Business Analysis and Support.  She has worked with clients in distribution, manufacturing, service and Job costing/Job Management industries. 


    Carrie joined Advanced Business Systems in 2019 to manage the Support team and enhance the existing customer base experience.  Carrie lives in Buffalo, NY currently and enjoys traveling the world and participating in Yoga retreats.

  • Stefan Goepel

    Director of the Project Management Office (PMO)/Senior Project Manager

    Stefan has over ten years of experience managing Microsoft Dynamics 365 and AX ERP software implementations. He has worked with clients in the technology, distribution, manufacturing and service industries in Europe and North America. He is a Microsoft Certified Professional for Dynamics 365 and a Microsoft Certified Specialist for Dynamics AX.

    Stefan relocated to the U.S. in 2010 and currently provides information systems analysis and business process design for Dynamics 365 implementations in the South Central Region. His detail-oriented and quality-focused approach creates value for his clients and peers. He joined Advanced Business Systems in 2014 and manages every aspect of the ERP project life-cycle, building lasting relations with his clients.

    Stefan holds a Master of Science degree in Business Computing from the HTW University of Applied Sciences in Berlin, Germany. He lives in Houston, TX with his wife and his three children. He enjoys mountain biking, playing tennis, the outdoors and traveling.

  • George Delp

    Business Development Manager

    George has over 20 years of experience working with Microsoft Dynamics solutions, including SL (Solomon), GP (Great Plains), Dynamics NAV (Navision) and now Dynamics 365 Business Central and Customer Engagement (CRM).  Prior to that he spent eight years at Pricewaterhouse Coopers where he focused on providing information systems advisory services to the firm’s clients.

    George excels at working with clients to help articulate their business challenges and develop solutions to address these challenges.  George has a wide variety of industry experience, including manufacturing, supply chain, construction, professional services and not-for-profit.

    George has a Bachelor’s in Accounting and a Master’s in Accounting Information Systems, both from Florida State University.  George grew up in and has lived all over the state of Florida, but for the last ten years has called the beautiful city of Charlotte, NC home.

  • Darren Atkins

    Strategic Account Manager

    Darren has been working with numerous mid-range businesses since 1999 to continuously improve, automate, achieve business goals and initiatives via digital transformation. This includes understanding key business drivers, requirements, and constraints to determine the best path forward while minimizing risk and business disruption.

    Industry experience includes Manufacturing, Distribution, CPG, Food, Electronics, Clothing, Entertainment, Service, and more. With the rapid change in technology, business landscape, rules and regulations, coupled with literally hundreds of options, Darren utilizes a consultative approach to collaborate with and guide customers on their journey to excellence.

    In other news, Darren is a health and fitness enthusiast, enjoys pop culture/multimedia events, and can occasionally been seen and heard playing sax with L.A. area big bands.

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