David merged his former technology solutions company, Caldwell & Associates, with Maner Costerisan January 1, 2001 and is now a Principal at Maner Costerisan. He has over twenty-five years experience in the IT industry, specializing in network technologies, Microsoft Dynamics GP and Intacct Cloud Accounting. Dave’s experience with networking, system support, accounting and business software solutions and training have allowed him to provide a holistic approach to implementing business solutions especially where there are important considerations between the business software and network services. Dave has served as adjunct faculty at Lansing Community College, Jackson Community College, and Davenport School of Business teaching accounting and finance, taxation, legal writing and contracts. Dave is fully certified on both Microsoft Dynamics GP and Intacct Cloud Financials.