
Founder Profiles
Six employees with 45 years of experience – It’s the Appnuity
advantage. We are experts in network solutions, application
development, hosted services, and structured cabling.The co-founders of Appnuity, David Eckel and Mark Castelli , created the company in 1999 to serve as a technical service provider for the nonprofit and small business sectors. David and Mark have more than 15 cumulative years of experience that benefits their customers. Prior to Appnuity, company CEO David Eckel worked for two other local technology companies as a network technician and sales consultant. Within both of these roles, the majority of his customers were nonprofit organizations. David has chosen to focus his career on primarily serving nonprofit organizations. He has a Microsoft Certified Professional (MCP) certification and a bachelor's degree in business economics from Ball State University. David serves on the LLA Board of Directors and also is actively involved in Hazel Dell Christian Church. Mark Castelli , vice president Technology/Network Engineer, worked for three other technology employers in Indianapolis before co-founding the company. His experience includes working as a help desk support representative, MIS manager, technical consultant, network engineer and network engineer manager. Mark has certifications as a Microsoft Certified Systems Engineer (MCSE) and a Certified Citrix Administrator (CCA). He is also trained to work with CISCO equipment. Mark obtained a bachelor's degree in computer information systems from Indiana University. He recently completed the Lacy Leadership Association (LLA) Leadership and Education Development (LEAD) program and Opportunity Indianapolis (OI) program. |

Six employees with 45 years of experience – It’s the Appnuity
advantage. We are experts in network solutions, application
development, hosted services, and structured cabling.