About Us

About Us

History and Bio's



At Business IT Source (BITS), we specialize in providing mid-to-large companies with IT hardware, software and BITS services from all major manufacturers, including Lenovo, Dell/EMC, HPE, HPI, Apple, Microsoft, and other major manufacturers. The BITS team provides a unique level of flexibility and customization so that companies receive products when needed and ready to deploy.


By stocking company's standard systems in our warehouse, systems are readily available. Our integration center can configure systems to arrive tested and configured to your specifications, saving you time and resources. In addition, our team of engineers provides no-cost, on-site installation of systems and storage.


Since its founding in 2009 by Bob and Dan Frauenheim, with colleagues Jack Mellor, Pat Farragher and Matt Walsh, BITS' goal was to build a corporate reseller large enough to provide the solutions and services corporations need but small enough to provide truly personal service.


Because of that attention to personal service, BITS has grown dramatically and is recognized by manufacturers and companies alike as a Premier Corporate Reseller. Due to its unprecedented growth, Computer Reseller News (CRN) recognized the company as one of the Fastest Growing Solutions Providers from 2012 to 2020. Business IT Source has also been recognized in the Solutions Provider 500, Tech Elite 250, and awarded CRN's prestigious "Triple Crown" in 2016, 2017, 2018 and 2019.


As one of our company's core values, experienced associates provide exceptional service and maintain a continuity of coverage that is truly unique. BITS is employee-owned, and all associates share in our success and are committed to providing the best service possible. We welcome the opportunity to earn your business.


Before starting Business IT Source, principal founders Bob and Dan Frauenheim began their careers with IBM and were the principal owners of Corporate PC Source (1997) and Entre Computer Center (1991).



Bob Frauenheim - CEO

Bob received a degree in business and economics from DePauw University and an MBA from Notre Dame. Starting his career with IBM, Bob recognized that customers needed a different level of service from value-added solution providers - something more tailored, personalized, and flexible. In 1991, Bob and his brother Dan founded their first Value Added Reseller, Entre Computer Center which was purchased by GE Capital ITS in 1996 and then subsequently in 1998 started Corporate PC Source which was acquired by Zones in 2003.

In 2009 Bob, his brother Dan, along with Jack Mellor and Matt Walsh, started Business IT Source, recognizing that companies needed solutions customized for their unique requirements to help ease the deployment of technology and help their companies transform IT.

Under Bob's leadership, BITS was ranked as one of the fastest-growing companies for every year from 2012-2020 by Computer Reseller News and is a top tier partner for all major IT manufacturers. Bob enjoys most sports and staying active, including golf, tennis, paddle tennis, and pickleball. Bob resides in Lake Forest and has three adult children.

Dan Frauenheim - President

Dan received his MBA from the University of Notre Dame in 1988. He began his career at IBM in St. Louis, Mo. then joined his brother Bob and founded Entre Computer Center in Chicago in 1991.

With more than 25 years of experience in the IT Industry, Dan provides expertise in identifying customer needs and creating customized solutions. Dan works with our partners and customers to ensure that Business IT Source provides the highest level of service and support.

Dan is a triathlon competitor and met his wife at the Triathlon World Championships in Perth, Western Australia. He competed as a professional in the Ironman World Championships in 1988 in Kona, Hawaii. Dan has been active in the Young Presidents Organization (YPO) for many years and is currently a member of WPO in Chicago.

Jack Mellor - Vice President / CFO

Co-founder Jack Mellor brings 15 years of VAR industry experience and 25 years of financial management experienceto Business IT Source.

Jack received his MBA from Chicago's Loyola University of Chicago and his degree in finance from University of Kentucky. He resides in Downers Grove with wife Sharon.

Pat Farragher - Executive VP Sales

Executive VP of Sales Pat Farragher joined Business IT Source in 2009. Pat is a graduate of Marquette University and has an MBA from the University of St. Thomas.

Prior to BITS, he was a senior account executive with Corporate PC Source and Zones and holds numerous awards for sales growth and development. Pat was also the Director of Business Development for VisionTek and has been a leader in the reseller industry for more than 25 years.

Matt Walsh - Chief Information Officer (CIO)

As CIO at Business IT Source, Matt delivers IT leadership and strategic direction to BITs customers, including strategic direction for technology growth. Matt began his career at NiSource Industries working in all aspects of the business as it related to technology. This is where his passion for innovating with technology and solving business problems started.

Matt continued to build his career in technology as one of the founding partners and the Senior VP for Data-Tel Communications Inc. and building the company's IT services division. Designing solutions for customers that allowed them to transform their business and leverage technology to drive profits.

With Matt's extensive background in both technology and business operations, he is able to assist customers with solving their most critical business issues and help to truly transform the way they do business today.

Matt earned a bachelor's degree in Business Management and a minor in Computer Science from Indiana University and holds several industry certifications. He loves spending time outdoors with his family and friends and attending the activities of his children. Matt resides on a small farm, is married and has three daughters and one son.

Eric Baumbich - VP Services

Eric provides the Business IT Source Team with a deep technical knowledge that has been gathered over the past two decades in the industry. Eric started his career as a consulting system engineer working at a multitude of customers in the Chicagoland area. As his career progressed so did the complexity of the projects some of which included multi-country consolidation / merger projects, datacenter design and relocation, system consolidation and virtualization, SAN design and architecting internal / external and hybrid cloud solutions.

Eric received his degree from Western Illinois University in Law Enforcement Justice and Administration, with minors in Computer Science and Psychology. He has continued his education at Northwestern University in the area of Project Management. Eric also currently holds over 20 IT industry certifications, some of which include the likes of: Microsoft, Hewlett Packard, American Power Conversion (APC), EMC, Cisco, Dell, IBM, VMware, EMC.

With a wide and deep technical background Eric is able to assist customers with solutions that span multiple technologies and resources, and be able to get to understand the customer business needs and goals, targets and technical requirements to make projects successful.

Eric loves the outdoors and before entering the IT industry Eric lived and worked in Denali National Park, Alaska, and has since returned to Alaska countless times, once which included getting married. He is also an avid cyclist which encompasses both road and mountain biking which he recenty completed a 24 hour mountain bike race.

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