Management Team

The NexusTek Management Team brings deep industry knowledge and proven experience to the table. A focus on continuous improvement and professional management results in IT solutions that improve our client’s businesses.
J Michael Jenner, CEO

Mike Jenner, CEO NexusTekAs CEO of NexusTek, Mike Jenner provides guidance to the leadership team, focused on the strategic growth of NexusTek and expansion into new markets. Mike brings more than 25 years’ experience in outsourcing, managed services, software and IT to the NexusTek team. As CEO of the ILLUMEN Group prior to joining NexusTek in 2015, Mike helped the Denver firm build a substantial portfolio of clients and establish a strong presence with community organizations and industry leaders. Before ILLUMEN, Mike led a team of more than 2,000 IT professionals and staff for Trizetto Inc.’s Services Division and spent nearly two decades as a senior executive at the helm of AT&T’s multi-billion dollar Enterprise Networking business. A Cornell University graduate, Mike received a bachelor’s degree in economics and statistics.

Kristen A. Noftsger, Executive Vice President of Consulting and Operations

Kristen2As Executive Vice President of Consulting and Operations, Kristen Aleksa Noftsger brings extensive technology experience to NexusTek with more than 25 years in IT and Consulting Services. Kristen is an accomplished, results-oriented, technology executive skilled in growing and developing teams and managing complex, cross-company strategic initiatives to successful outcomes. Previously, as the Vice President of Consulting Services at TriZetto, Kristen was responsible for the operations and consulting teams, leading an organization of more than 400 team members as they delivered consulting and IT services to the healthcare industry. Kristen earned a bachelor’s degree in economics from the University of Vermont, a master’s degree in health science/health policy from Johns Hopkins University, and has completed executive level management coursework at UC Berkeley and Columbia University.

Corey Sisler, CFO

Corey Sisler, CFOAs CFO of NexusTek, Corey Sisler is responsible for all financial and tax reporting, liquidity management, strategy and M&A due diligence for the company.  With more than 15 years of strategic leadership in finance, Corey spent the last 10 as CFO for mid-market private equity backed companies in energy and oil and gas. Corey began his career as a combat leader in the US Army and moved to management and IT consulting with KPMG where he advised Fortune 500 and Federal government clients. He is a Certified Public Accountant, Certified Management Accountant, Certified Financial Manager, Chartered Global Management Accountant, and a Licensed International Financial Analyst.  Corey has undergraduate degree in Business Administration with an emphasis in finance and accounting and an MBA from the University of Colorado at Boulder.

Greg Oblack, Vice President of Sales and Client Development

Greg OBlack, Vice President, Client DevelopmentAs Vice President of Sales and Client Development, Greg provides oversight on the sales, marketing and service teams to assure all resources are aligned with NexusTek’s strategic growth plans. Greg brings more than 18 years of experience delivering technology solutions to Colorado’s small and medium-sized businesses market. Joining the NexusTek team in 2015 from the ILLUMEN Group, Greg brings a wealth of knowledge and experience in IT managed services and customer relations. Greg played an integral part in advancing ILLUMEN from a consultancy in 1998 to one of the top IT managed services firms serving the SMB in Denver and across the Front Range.

Chris Corbett, Client Development Manager

Chris_Corbett 2As Client Development Manager, Chris Corbett oversees all business development activities for NexusTek’s existing client base. Chris Corbett holds Microsoft accreditation for Enterprise Resource Planning and is actively involved with the Colorado Chapter of the International Association of Microsoft Channel Partners (IAMCP). Hailing from Syracuse, New York, Chris has worked in the information technology industry since the late 90′s.

Tim Kline, Senior Manager, Remote Services

Tim Kline, Remote Services ManagerAs Remote Services Manager, Tim Kline leads the Remote Services team, delivering managed IT services and rapid support response to NexusTek customers. Tim has worked in the information technology industry since 1998 and holds several certifications from Cisco and Microsoft. Tim is a firm believer that the customer comes first and customer service should always be top priority. The NexusTek Remote Services team is committed to providing top-notch support from the simplest technical question to critical business outages.

Sammer Khalaf, Senior Manager of Product Management and Marketing

Sammer Khalaf, Senior Manager of Product Management and MarketingAs Senior Manager of Product Management and Marketing at NexusTek, Sammer focuses on the research and enhancement of NexusTek’s products and services as well as delivering on the Marketing Department’s strategic initiatives while maintaining and fostering growth.  Sammer has a variety of experience ranging in IT management, Marketing management, SaaS management, Sales Management, Technical Support management, Workforce management and Account management. Sammer has a Bachelor of Arts in Business Administration from Point Loma Nazarene University.


Rich Erickson, Managing Director

Rich Erickson, Managing Director of Lightview Capital, is a seasoned technology executive and investor with almost 30 years of experience. Rich previously served as a General Partner with Updata Partners, a $450 million growth equity investment fund focused on market leading software, internet and business services companies. While at Updata, he was involved in a host of investments including serving on the Board of Directors for Acclaris, Jobs2Web, Redvision, Interactions and RES Software.

Conor Mullet, Managing Director

Conor Mullett, Managing Director of Lightview Capital, brings over 19 years of private equity experience, including leading and monetizing investments in buyouts, growth equity and venture capital. Conor’s experience includes being the Co-Founder and General Partner of Updata Partners, a growth equity firm with $450 million assets under management, where he was involved in all aspects of firm management. While at Updata, he was involved in a host of investments including serving on the Board of Directors for eSecurity (sold to Novell), Getpaid (sold to Sunguard), Netkey (sold to NCR), Jobs2Web (sold to Successfactors/SAP), iContact (sold to Vocus), Pulsepoint, Amber Road, Ordermotion (sold to Netsuite), Foresee and Pet360.

Robert Burkholder, Founder and Director

Rob Burkholder founded NexusTek in 1996, capitalizing on the rapidly growing technology services sector in the Denver metro area. Prior to founding NexusTek, Rob served as Vice President of Sales for Simpson Associates, a manufacturer’s rep firm representing Mitsubishi Semiconductor. Prior to his role at Simpson Associates, Rob served as District Manager for ADP Payroll Services. Rob holds a B.S. in Finance from the University of Colorado, Boulder, and an M.S. in Telecommunications from the University of Denver.

Bill Nutter, Director

As a Partner with Tenth Street Capital, Bill is a 20 year veteran of the mezzanine finance industry. Before joining Tenth Street Fund III at the inception of the fund in July 2010, Bill co-founded and managed the Morgan Keegan Strategic Fund in 2005 and the Morgan Keegan Mezzanine Fund in 2000. Prior to joining Morgan Keegan, Bill served in a variety of investment and portfolio management roles with Finova Purchased Debt (formerly Sirrom Capital), First Union National Bank and Bank of America. In addition to NexusTek, Bill currently serves on the boards of Motionwear, Fast Pace Urgent Care, and Plasma Ruggedized Solutions. Bill Nutter earned his B.S. in Business Administration from East Tennessee State University in 1986, and his MBA from the Owen School at Vanderbilt University in 1994.

Andy Tatman, Director

Andy Tatman is responsible for sourcing, executing and monitoring investments for Tenth Street Fund III. He joined Tenth Street in September 2013 and has spent his entire career focused on the financing needs of lower middle market companies. Andy has over ten years of experience investing in mezzanine debt and equity transactions. Prior to joining Tenth Street, Andy served as a Director of Investments at Harbert Mezzanine Partners and in various roles with the Morgan Keegan Investment Banking Group and the Morgan Keegan Mezzanine Fund. He currently serves on the Board of Pro Tech Industries. Andy graduated summa cum laude from the University of Kentucky with degrees in Finance and Economics.

Robert Bourquin, Director

Rob Bourquin is responsible for sourcing, executing, and monitoring investments for Harbert Mezzanine Partners II (“HMP II”). Mr. Bourquin has over ten years of experience investing in middle market mezzanine debt transactions and was also a partner in Harbert Mezzanine Partners, the predecessor fund to HMP II. Prior to working with HMC, Rob held the position of Vice President with Sirrom Capital Corporation and with Finova Mezzanine Capital. He began his career with the investment bank George K. Baum in Kansas City. He received a Master of Business Administration degree from the Owen School at Vanderbilt University and a Bachelor of Arts from Dickinson College.

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