Our Leadership Team

Meet Our Executive Management Team

Danielle M. Mizia

Danielle Mizia

President/Owner

Danielle joined AEC Group in 2018 after AEC Group, LLC was formed to facilitate the purchase of the Technology Solutions Division of AEC Group, Inc. Danielle is an entrepreneur and prior to joining AEC, formed Designs by Dani, a boutique floral business. Her experience with her own business enterprise, played an integral role in formulating a plan and negotiating the purchase of AEC’s Technology Solutions Division.

Outside of AEC, Ms. Mizia is active in her local church, and has performed in a managerial role for the Ringgold Elementary School North Blessings in a Backpack program. She continues to run Designs by Dani, in her spare time.

James B. Mizia

James Mizia

Chief Operating Officer

James joined AEC Group in 1998 via a partnership with the company he co-founded, Threshold Technologies, with Brian Lesniakowski and one other partner. Threshold Technologies focused on designing, deploying and maintaining IT solutions for local and national customers. In March 2001, Threshold Technologies became a wholly owned subsidiary of AEC Group, Inc. and three years later evolved into the AEC Technology Solutions Division.

In 2019, AEC Group LLC acquired AEC Group, Inc.’s Technology Solutions Division. This acquisition was a full circle moment for Mr. Mizia, going back to where it all started with Threshold Technologies and those original business fundamentals – remaining a premier technology partner, supporting integration, project delivery, support and managed services for companies across Southwestern PA and the continental United States.

In addition to being a member of American Mensa, James is a Pennsylvania registered Engineer in Training (PA EIT), and has held technical certifications from Microsoft, VMware, EMC, Citrix, and Cisco.

Outside of AEC, Jim serves as a member of the Noah’s Ark Pre-School Board of Directors.

Mr. Mizia holds a Bachelor of Science in Electrical Engineering with a Mathematics minor from The Pennsylvania State University.

Marty Connelly

Chief Financial Officer

Marty joined AEC Group in 2002 after the company he co-founded, Structure Solutions, LP, was acquired by AEC Group. Prior to Structure Solutions, Marty held leadership positions with a leading IT service provider, Stargate Industries and the management consulting firm Deloitte. His experience with leading system development and infrastructure/data center initiatives for Fortune 500 clients helped to hone his skills regarding the management of people, process, and technology. His combination of skills and entrepreneurial spirit quickly helped establish AEC Group as one of the region’s foremost Technology Solutions Provider year in and year out.

Outside of AEC, Marty serves on the Board of Directors for the Humane Animal Rescue of Pittsburgh and is involved with the Pittsburgh Triathlon Club.

Mr. Connelly holds a Bachelor of Arts from Washington & Jefferson College as well as an MBA from Duquesne University.

Kennith J. Rindt

Ken Rindt

Chief Revenue Officer

Ken joined AEC Group in 2002 via an acquisition of his company, Structure Solutions, which was a boutique consulting firm focused on IT Project Management. Prior to Structure Solutions, he co-founded Plus Consulting, a consulting firm focused on the deployment of ERP and CRM solutions. Prior to Plus Consulting, he worked as a consultant at PricewaterhouseCoopers and Coopers and Lybrand as a project manager for application development initiatives and ERP deployments.

Mr. Rindt is currently on the Ingram Micro Data Center Advisory Board and the Citrix Platinum Council. He has also held positions on the Pittsburgh Technology Council Network Advisory Board, EMC’s Partner Advisory Council, and EMC’s Partner Advisory Board.

Ken also proudly served as a non-commissioned officer in the United States Army.

Mr. Rindt holds a Bachelor in Science in Management Science and Information Systems from the Smeal College of Business at The Pennsylvania State University.

Brian M. Lesniakowski

Brian Lesniakowski

Chief Information Officer

Brian joined AEC Group in 1998 via a partnership with the company he co-founded, Threshold Technologies, with James Mizia and one other partner. Threshold Technologies focused on designing, deploying and maintaining IT solutions for local and national customers. In March 2001, Threshold Technologies became a wholly owned subsidiary of AEC Group, Inc. and three years later evolved into the AEC Technology Solutions Division.

He is a member of Citrix Partner Technical Expert Council, and has held technical certifications from Cisco, Citrix, Dell, EMC, Microsoft, Nutanix, Riverbed, Rubrik, Microsoft, and VMware.

Mr. Lesniakowski holds a Bachelor of Science in Computer Science from The Pennsylvania State University.