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Corporate & Regional Leadership

Department Leaders


Pat Bakker, Vice President, Practice Administration and Insurance

Pat Bakker
Pat Bakker joined CDI in 2000 as corporate controller. Pat became the organization’s chief accounting officer with responsibility for all financial reporting in 2012. In 2014, he became vice president, practice administration and insurance for our largest radiologist partner, Medical Scanning Consultants. Mr. Bakker holds an M.B.A. from University of St. Thomas and also obtained his CPA certificate (inactive) in 1986. He has more than 27 years of experience and has served in a number of positions at PepsiCo, Merrill Corporation and Arthur Andersen.


Todd Hoffarth, Vice President, Controller

Todd HoffarthTodd Hoffarth joined CDI in 2001, and has held various roles within the company, including senior accountant, assistant controller and corporate controller. He was promoted to vice president, controller in 2014. In this role, Mr. Hoffarth’s responsibilities include oversight of the company’s accounting function, to include budgeting, accounts payable, financial reporting and tax compliance. He passed the CPA exam in 1998 and holds a B.S. from Minnesota State University – Mankato.


Jeff Jahn, Vice President Engineering and Research

Jeff Jahn
Jeff Jahn joined CDI in 1986 as one of the company’s first MRI technologists. He has held many different technical roles throughout the years including chief technologist, corporate chief technologist, corporate technical administrator, director technical operations, director of imaging services, and director clinical imaging and engineering services. In 2011, Mr. Jahn was promoted to vice president operations and business development for our Minneapolis/St. Paul market. In this role he was responsible for the operations, sales and business development for one of CDI's largest markets, working closely with the administrative, technical and physician staff across 13 facilities in the greater metropolitan market including Western Wisconsin. In 2013, Mr. Jahn accepted the role of overseeing all purchasing, facilities management and engineering services for both companies nationally. In 2017, he became CDI's vice president of engineering and research. He earned his B.A. from the University of Minnesota and is a registered MRI technologist.


Matt Malloy, Vice President, Marketing and Corporate Communications

Matt Malloy joined CDI in 2015 as the vice president of marketing and corporate communications. He brings more than 20 years of experience in health care marketing and communications. He has worked with integrated health plans, care systems and provider groups including Blue Cross Blue Shield of Minnesota, Hazelden Foundation, and HealthPartners. In his current role, Mr. Malloy is responsible for CDI’s national brand strategy and the delivery of marketing, communications and public relations support across all markets in the CDI network. Mr. Malloy received his Bachelor of Arts in Journalism from the University of St. Thomas. 

Micah Olson, Vice President, Sales

Micah Olson joined CDI in 2005 as an account executive in CDI’s Puget Sound market. In 2009 he was promoted to senior account executive. In 2012, Mr. Olson became a regional sales director for CDI’s West Zone, and he was promoted to senior regional sales director in 2016. In 2017, Mr. Olson was promoted to vice president of sales. Prior to joining CDI, he was an account executive for IKON Office Solutions. Mr. Olson also held various soccer coaching positions, including serving as the assistant coach for Concordia University Portland’s women’s soccer team. Mr. Olson attended Oregon State University where he earned his Bachelor of Science degree in Exercise and Sports Science. 


Jennifer Ruh, Vice President, Revenue Cycle Management

Jennifer Ruh joined the company in 2002, and has served in many RCM roles, including regional billing manager, director of billing and most recently Sr. Director, Revenue Cycle Management, overseeing the RCM operations in Buffalo, NY and St. Louis Park, MN. She was promoted to Vice President, Revenue Cycle Management in 2015. In this role, Jennifer will provide leadership and oversight for the RCM functions including operations, coding, revenue analysis, credentialing and payer network management. She received her BA from the University at Buffalo, New York.


Tiffany Spartz, Vice President, Sales

Tiffany Spartz joined CDI in the summer of 2011 as an account executive in the Milwaukee market. In the fall of 2012, she was promoted to regional sales director, providing key leadership in Wisconsin, Illinois, Missouri, Tennessee, New Jersey, Virginia, Maine, Massachusetts and Connecticut following CDI's merger with Insight Imaging. In 2015, Ms. Spartz became the director of sales for CDI’s Twin Cities market. In 2017, she was promoted to her current position as vice president of sales, where she continues to develop and support a cohesive and successful sales program across CDI’s national network of partnerships in communities across the country. Prior to joining CDI, Ms. Spartz worked in various sales positions, including time with a Gannett Company, Inc. newspaper and in various positions with both Action Sports Media and Learfield Communications, managing athletic multimedia rights and sponsorship initiatives at Purdue University and the University of Minnesota. Ms. Spartz attended University of Minnesota-Duluth, where she earned Bachelor of Arts degrees in Communication & Criminology. 




Regional & Business Line Leaders

Linda Bagley, Senior Vice President & General Manager, Central

Linda Bagley joined our organization in 1990 and has served in many roles, including chief technologist, center manager, director of technical operations and director of system implementations and support. In 2011, she was promoted to vice president of business systems and operations support. In 2015, Linda was named chief information officer. Her unique blend of experience in outpatient imaging operations and health care IT has helped us develop innovative solutions tailored to our business. She has played key roles in the Meaningful Use project, systems and process development for our radiologists and center teams, and many new center and market implementations. In 2017, Linda moved into the senior vice president role for CDI's Central Zone.

Robert Cherney, Senior Vice President & General Manager, Northwest

Rob Cherney joined CDI in 2007 as the director for the Twin Cities’ Open Upright MRI program. In 2011, he transitioned into the role of CDI’s director of business development. Mr. Cherney was then promoted to vice president of operations and business development where he led operations and business development for CDI’s Twin Cities market, which includes a center in Eau Claire, Wisconsin. In 2017, he was promoted senior vice president and general manager of CDI’s Northwest zone, which includes Minnesota, Missouri, Oregon and Washington. Prior to coming to CDI, Mr. Cherney was a center manager at Soteria Imaging Services. He earned his Bachelor of Arts degree in Business/Corporate Communications from University of Saint Thomas.

Scott Raymond, Senior Vice President & General Manager, East

Scott RaymondScott Raymond joined CDI in 2014 as Senior Vice President and General Manager, Eastern Region and is responsible for operations, clinical partnerships and development in the northeastern United States. Prior to joining CDI, Mr. Raymond ran the business operations for two large radiology groups in California and Florida and also has extensive business development and marketing experience in the area of outpatient imaging operations. He has over 25 years of experience in the radiology/imaging sector and holds a B.A. from Bates College in Lewiston, Maine.


Steve Richter, Senior Vice President & General Manager, Mobile Division

Steve Richter

Steve Richter joined CDI in 2014 as senior vice president and general manager, Midwest Zone where he was responsible for leading CDI operations in Minnesota, Wisconsin and Illinois. In 2017, Mr. Richter transitioned into leading the Mobile Division. Mr. Richter brings to CDI over 25 years of healthcare experience most recently as Executive Vice President of Sales at DMS Health Technologies. He holds a B.S. degree from the University of Nebraska.


Pat Zadra, Senior Vice President & General Manager, South

Pat Zadra

Pat Zadra joined CDI in 2003 as Vice President of Operations for the Wisconsin market. During her tenure, she assumed several interim leadership roles in key markets, and was instrumental in driving growth and success through strategic partnerships and center investments to enhance patient care. Ms. Zadra is currently the General Manager and Senior Vice President for CDI, covering Texas, Florida, California and Arizona. She has extensive healthcare business experience that spans 30 years, including executive roles in private and public companies. Prior to joining CDI, Pat was a Regional Vice President with Sunrise Senior Living Services where she was responsible for opening assisted living facilities in Chicago and oversaw operations in the Midwest. She began her career in the psychiatric industry working for Tenet Healthcare and Charter Behavioral Healthcare where she served simultaneously as the Chief Executive Officer of Northbrooke Hospital and Charter Behavioral Hospital/West Allis.