About Cassling
Cassling strengthens community healthcare through imaging and therapeutic technology, services and solutions. From critical access hospitals and diagnostic imaging centers to large health systems and IDNs, Cassling is committed to helping your healthcare organization improve access and outcomes, create efficiencies and lower costs.
Healthcare is the lifeblood of our communities, and we’re proud to play a role in helping healthcare organizations remain viable and keep providers local.
Our Mission & Vision
Our vision is a world where patients have access to the right level of care regardless of location or socio-economic status. We strive each day to bring innovative solutions to communities and providers, so that patients—our neighbors, employees and families—can live their best life.
Headquartered in Omaha, Nebraska, and founded in 1984, we’re proud to be a family-owned company and have Midwestern values and integrity at the heart of what we do.
We serve as your partner and strategic advisor — helping you navigate the challenges of the fast-paced, ever-changing healthcare industry. Through our partnerships, including as an advanced partner of Siemens Healthineers, Cassling offers the best of both worlds — an unprecedented level of service and local support in combination with world-class technology.
Get to Know Our Company
Who We Serve
Our goal is to impact 350 million patient lives by 2030, and we’re on track to do that thanks to the incredible work of the dedicated healthcare organizations we serve:
- Ambulatory Surgery Centers/Office Based Labs
- Freestanding EDs
- Health Systems
- Rural Healthcare
- Hospitals
- Veterans Affairs Healthcare Facilities
- Physician Groups
- Imaging Centers/Outpatient Facilities
Our Leadership
Mike Cassling
In addition to his role with Cassling, Mike Cassling is CEO of CQuence Health Group, formed in 2011 to provide shared services and strategic direction for partner companies. Mike and CQuence Health Group also oversee a healthcare investment portfolio.
Under his leadership, Cassling and CQuence have earned multiple honors and awards, including: Modern Healthcare’s #1 ranked Best Places to Work in Healthcare (2015-2016) Modern Healthcare’s Best Places to Work in Healthcare (2013-2018) Gold Fit-Friendly Worksite by the American Heart Association (2016) Employee Voice Award, Quantum Workplace (2015) Gold Well Workplace Award by the Wellness Council of America (2014) Highest Actively Engaged Population and Highest Overall Job Satisfaction by Avatar Solutions (2012) Platinum Well Workplace Award by the Wellness Council of America (2011) Best Places to Work in Omaha (2011) Best Places to Work for the Advancement of Women (2011) HR Solutions Employee Engagement Awards, 1st place nationally (2010) Omaha Chamber of Commerce Business Excellence Award (2008)
Mike holds an undergraduate degree from the University of Nebraska-Lincoln in general accounting and marketing. He completed the Graduate School of Sales and Marketing at Syracuse University in 1992. Mike is active in the Omaha community as an Aksarben Governor, Board Chair for the Omaha Community Foundation, and serving on the Board of Directors for The Salvation Army, Broadway Dreams Foundation, Nebraska Health Information Initiative and Omaha Performing Arts. He also serves on the Advisory Board for the Jeffrey S. Raikes School of Computer Science and Management at the University of Nebraska-Lincoln. Nationally, he serves on the Broadway Dreams Executive Committee and is the Chair for The Salvation Army’s National Advisory Board.
Mike is an Omaha “40 under 40” alumnus, was recognized in 2014 and 2010 with an Alumni Achievement Award from the University of Nebraska-Lincoln and is a Westside High School Hall of Fame honoree. Mike has two daughters, Megan and Kaila; his wife, Elizabeth, has two sons, Gage and JT.
Kyle Salem, Ph.D.
Kyle Salem joined Cassling in February 2005 and was named President in 2017 and CEO in 2023. Dr. Salem earned his doctorate in biomedical engineering from Case Western Reserve University and has completed the Kellogg Management Institute at the Kellogg School of Management at Northwestern University.
After his time in academia, he initially worked for Siemens Medical Solutions MRI research & development, serving as the primary scientist supporting their second 3 Tesla MRI scanner in the U.S. He also managed U.S. R&D MRI collaborations for two years.
In 2005, Kyle joined Cassling Diagnostic Imaging where he has held a number of roles from strategic sales executive to vice president of corporate strategy and development. Today, as president and CEO, Kyle strengthens community healthcare by working with customers to ensure Cassling's offerings meet their short- and long-term goals, as well as clinical, financial and organizational needs.
Elizabeth Grieger
Elizabeth Grieger joined Cassling in 2006. In her current role leading the Growth & Innovation team, Elizabeth supports Cassling’s vision by bringing to market new technology, services and solutions to help healthcare organizations address their imaging and therapeutic needs. She is responsible for identifying, developing and managing relationships with Cassling’s partners and adjacencies, including Alta and Radiaction.
Since starting at Cassling, Elizabeth has held a number of roles focused on customer relationship building, from Product Sales Executive for cardiology IT solutions to Strategic Accounts Manager. Most recently, Elizabeth served as VP of Strategic & Clinical Solutions, where she oversaw Cassling’s clinical strategy team, as well as its clinical solution set, which included equipment service sales and ultrasound products.
Prior to Cassling, Elizabeth worked as a Registered Nurse in hospitals throughout Eastern Nebraska. She earned her Bachelor of Science in Nursing from the University of Nebraska Medical Center College of Nursing in Omaha, Nebraska.
Mark Miller
He started his career with a degree in Cardiopulmonary Science from LSU, and worked for five years in the clinical setting, including the cath lab, echocardiography and respiratory therapy departments. Mark has spent the last 15 years leveraging his clinical experience in sales and sales leadership roles in the interventional and diagnostic imaging space.
Outside of his career in healthcare, Mark is active in several wetland conservation and watershed improvement projects with the Natural Resources Conservation Service in drought-susceptible areas of North East Texas.
Joe Matthews
Joe began his career at Cassling in 1985 as a Field Service Engineer and Project Manager, where he installed and serviced various types of imaging equipment throughout our Midwest region. Over the years, Joe has held various leadership roles within the Cassling service team, including Regional Service Manager.
Today, as Vice President of Service, Joe leads the entire equipment implementation and service teams while also working with customers to develop customized service solutions.
Carol Armitage
Carol Armitage earned her degree in business administration from the University of Nebraska-Lincoln in 2001, with an emphasis in both finance and accounting. In 2008, Carol joined the Cassling team with more than a decade of management and operational experience in various industries. She began her career with Cassling by managing the service and contract billing teams before being promoted to the Service Operations Manager and then the Director of Service Operations. Currently, Carol leads the operational teams for sales, service, business analytics and compliance in her role of VP of Operations.
Carol is also an active member of the community. She has been a Teammates mentor since 2009 and also donates her time to a variety of animal rescue groups in the Omaha-metro area. Carol currently serves on the American Heart Association’s Executive Leadership Team, where she works to increase awareness of cardiovascular disease, the leading cause of death in women of all ages.
Mike Haywood
Mike Haywood is the VP of Finance & Accounting at Cassling. He graduated from the University of Nebraska – Omaha in 2002 with a Bachelor's degree in Finance and completed his MBA at the University of Bellevue in 2015 in Accounting & Finance. Before Joining Cassling, he worked at ConAgra Foods and Kiewit in various finance and accounting roles.
Mike is active in the community and serves as Treasurer & Board Member on Millard's Teammates Mentoring program. He is also active with his two boys' sports clubs throughout the Elkhorn community.
Tana Phelps
Tana Phelps is the Vice President of Marketing for Cassling, where she is responsible for managing the strategy, planning, growth and development of marketing for all CQuence partner companies and business units.
Tana brought her passion for healthcare to Cassling in 2011. Her marketing experience includes work in diagnostic imaging, healthcare IT, concierge medicine, telehealth, cardiology and more. She has executed customized marketing campaigns on behalf of hundreds of hospitals and clinics throughout the country, gaining great insights into consumer and physician audience behavior.
With Tana’s strategic support, Cassling launched a 2030 plan to impact more than 1 billion patient lives. In 2021, she was honored with the Bob Cassling Service Excellence Award for exemplifying the company’s cultural beliefs and commitment to customer service.
Prior to joining Cassling, Tana was communications manager at NRC Health, a national patient satisfaction survey vendor and research organization. Tana is a published blogger and author—with features in Midwest Medical Edition magazine. She studied journalism, marketing and advertising at the University of Nebraska Lincoln, and earned a Certificate of Excellence in Business through the Carlson School of Management at the University of Minnesota. She enjoys spending her free time with her husband and three kids, running and volunteering.
Kayla Engel
As Director of People & Culture at Cassling, Kayla Engel is actively involved in creating an exceptional employee experience for all team members, from new hires to those who have been with Cassling for decades. She has served in a number of Human Resources-related roles during her time at the company.
Kayla received her Bachelor of Science in Management of Human Resources from Bellevue University, and she has PHR certification from the Human Resource Certification Institute and SHRM-CP certification from the Society for Human Resource Management.

Giving Back
Community service is woven into the fabric of Cassling. In addition to our innovative products, services and solutions, we support our communities through a variety of philanthropic efforts. Our employee-led volunteering program enables our team members to give to their preferred charitable causes throughout the year, letting employees transform communities in the ways that are personal to them. And through a unique benefit – volunteer time off – employees use paid time off for this important work.
Careers with Cassling
At Cassling, we take our mission to strengthen community healthcare personally. If you’re ready to join a team that makes a difference in the lives of providers and patients, consider a career at Cassling.
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