Corey Sisler


CEO1ST Partner

Corey Sisler serves as a board member at Integris. Corey was the former CFO and CISO of NexusTek, a Rocky Mountain-region IT managed services provider for SMBs. At NexusTek, Corey was responsible for all areas of budgeting, accounting, strategic planning, and acquisition integrations, among others. Prior to that, he served as the CFO of Spectraseis, an oil and gas services company. Corey started his career at KPMG after serving as a Captain in the U.S. Army.

Company Overview

Integris is a national IT managed services provider for small to mid-market businesses. The company offers cybersecurity, cloud services, IT consulting and infrastructure services for professional services firms.

One South Wacker
Suite 2980
Chicago, IL 60606
Tel: 312.368.0044

Frontenac Company

We invest in high quality companies, primarily in the food, industrial and services industries. We work with business owners, almost always families, founders or entrepreneurs, as they address complex transition issues of liquidity, management enhancement and growth planning.

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