About Unity
Executive Team

Terry Bolz,

President and Chief Executive Officer

Terry Bolz serves as the President and Chief Executive Officer of Quartz Health Solutions, Inc. The company manages the nationally recognized, provider-sponsored health insurance plans – Gundersen Health Plan and Unity Health Insurance, which are co-owned by Gundersen Health System and UW Health. As a third-party administrator, Quartz also services self-funded health plans. Through an extensive provider network, Quartz focuses on local community-based health care and services 275,000 customers who live in southern and western Wisconsin, parts of Illinois, Iowa and Minnesota from offices located in Middleton, Sauk City and Onalaska, Wisconsin. Bolz is responsible for overall executive leadership of the organization, with a focus on providing access to local health care providers, high quality and cost effective health care and outstanding customer service.

Bolz served as President and CEO of Unity from 2004 to 2016. He also led Unity from 2000 to 2004 as President and CEO (when owned by Cobalt Corporation). Bolz served as Vice President of the North Central Region of Blue Cross & Blue Shield United of Wisconsin in 1999 and early 2000.  Prior to joining Cobalt, Bolz was a Vice President with Wausau Insurance Companies.

Bolz holds a BA in economics from Lawrence University and the Certified Employee Benefit Specialist (CEBS) designation. He also completed the Nationwide Insurance Leadership Development Program.

Bolz has been involved in several industry associations, including serving as the Chair of the Executive Committee and the Board of Directors of the Wisconsin Association of Health Plans (WAHP). Bolz is also on the Board of Directors of the Boys and Girls Club of Dane County.


Gary Lenth, MD
Chief Medical Officer (CMO) and Executive Vice President

Dr. Lenth provides leadership to the combined organization of more than 269,000 members as Chief Medical Officer and Executive Vice President of Administration. He is responsible for health plan clinical services programs, including medical, pharmacy, and quality management programs.

Previously, Dr. Lenth served as CEO of Gundersen Lutheran Health Plan since 2012 and has been its Medical Director since 2007. His service included membership on the Gundersen Lutheran Health System Board of Governors and the Board of Trustees and the Health Plan Board of Directors. He served on the Board of Directors for the Health Plan Alliance and for the Wisconsin Association of Health Plans.

Dr. Lenth continues to practice in the department of Ophthalmology at Gundersen Lutheran Health System as he has since 1988.

Dr. Lenth earned a Bachelor of Science from Iowa State University, and his Doctorate in Medicine from the University of Iowa Medical School, in Iowa City, Iowa.  He completed his Residency in Ophthalmology at the University of California, Davis. He is a member of the American Academy of Ophthalmology.

Marybeth Bay,
Vice President, Chief Information Officer

Marybeth Bay joined Quartz Health Solutions, Inc. in 2016. Previously, she led information technology and initiatives for several health care organizations.

Bay provides leadership, direction and administration to the combined organization's information technology services. As a member of the Executive Team, Bay is responsible for the development and implementation of the overall information technology services strategy.

Bay earned a Master's degree in Health Administration-Informatics from the University of Phoenix and a Bachelor of Science in Business Management from Upper Iowa University. She has also attended the Harvard T.H. Chan School of Public Health for continued coursework in executive professional education and leadership strategies for information technology in healthcare.

Brian Collien,
Vice President, Chief Business Development Officer

Brian Collien joined Quartz Health Solutions, Inc. in 2002. Previously, he provided leadership and business development for both health care providers and health care insurers.

In his role at Quartz, Collien is responsible for providing vision and leadership for the Large Group line of business,Marketing and Provider partnerships.  His team develops and maintains the network of hospitals and physician groups that provide high quality and cost effective care to our members throughout the entire service area. He works collaboratively with UW Health, Gundersen Health System as well as a range of ​independent health systems to develop ​innovative programs that provide high quality health care to members. The growth of the Large Group line of business is based on the development of a value proposition that leverages cost-effective health care and services through a full suite of fully-insured and self-funded products supported by a responsive and knowledgeable sales team.

Collien earned a Bachelor’s degree in Finance from the University of Wisconsin – Eau Claire and a Masters of Business Administration from Edgewood College.

Kimila Daniels,
Vice President, Chief Administrative Officer

Kimila Daniels joined Quartz Health Solutions, Inc. in 2013. She brings more than two decades of Human Resources and Organizational Development experience to the company. Daniels’ background includes leadership positions in both the public and private sector as well as in a range of industries that include property and casualty insurance, entertainment and higher education. Her contributions to the community include active involvement with the YWCA of Madison, Boys & Girls Club of Dane County, United Way of Dane County and the Madison Area Diversity Roundtable.

In her role as Vice President, Chief Administrative Officer, Daniels is responsible for leading Quartz’s human resources, information technology and facilities management initiatives. 

She is a proven change agent, with a focus on process improvement and other management initiatives that drive the organization's growth and standing as a regional employer of choice.

Daniels received a Bachelor's degree in Organizational Leadership from Greenville College and Masters of Management and Organizational Development from Benedictine University in Lisle, Illinois. She holds certification as Senior Professional in Human Resources (SPHR) through the Society for Human Resource Management. Daniels is a certified change management practitioner through Prosci® and a certified life coach.

Jennifer Woomer Dinehart
Assistant Vice President, Marketing

Jennifer Dinehart began her career with Quartz Health Solutions, Inc. in 2013. Her background includes more than 25 years of strategic brand management, including marketing and communications experience in a wide range of industries. She has been an entrepreneur – starting and merging several creative and consumer-driven companies – and began her career as a financial reporter.

In her role as Assistant Vice President of Marketing, Dinehart spearheads strategic market development and provides leadership for traditional and digital marketing and communications activities.

Dinehart received a BA in Journalism from Michigan State University, East Lansing, Michigan and has extensive graduate coursework in Finance from American University, Washington, D.C. She holds Advanced Certificates in Professional Sales, Marketing and Distribution, Export Marketing, Sales, and Operations and Marketing Products Worldwide from the University of California; Interaction Communications from the University of Pennsylvania; and Writing for Business from the Wharton School of Business.


Jim Hiveley,
Vice President, Treasurer and Chief Financial Officer

Hiveley began his career with Quartz Health Solutions, Inc. in 2007. He leverages more than 25 years of HMO financial experience, including extensive background in the Midwest regional health insurance marketplace. Hiveley’s experience includes accounting, corporate tax, premium billing and collection, financial analysis and reporting, data warehousing, and internal and external audits.

In his role at Quartz, Hiveley oversees financial operations and reporting, internal audit, risk management, treasury management and monitoring or internal controls. Hiveley also ensures that the organization is in full compliance with all state and federal regulatory financial reporting requirements.

Hiveley earned a BA in accounting from Augustana College in Rock Island, Illinois.


Karla Lord
Assistant Vice President, Operations

Karla Lord is responsible for business operations functions including Government Claims Administration, Government Enrollment, Training, Amysis System Configuration, Special Investigation Unit (SIU) & Fraud, Waste and Abuse (FWA) functions.

Lord previously served in a range of roles at Gundersen Health Plan, including Director of Business Operations, Compliance Manager / Officer from 2005 – 2008 and Research Analyst in the Plan’s Provider Network Management department from 2001 – 2005.

Prior to joining the Gundersen Health Plan, Lord held several roles over a span of 15 years in Patient Business Service for Gundersen Health System.

Lord holds a BS in Business with a specialization in Management and Leadership from Capella University, Minneapolis, Minnesota.



Gail Midlikowski,

Vice President​, Operations and Chief Operating Officer

Gail Midlikowski began her career with Quartz Health Solutions, Inc. in 2000. She brings more than 30 years of experience in group insurance, HMO operations and TPA services.

Midlikowski is responsible for operational activities including Customer Relations, Customer Service, Business Services, Technical Services and Project Management and Training for all lines of business. Customer Relations is a mission-critical function and includes enrollment, claim processing and customer service. Midlikowski provides leadership that helps ensure that Quartz exceeds customer expectations in every interaction.

Midlikowski’s extensive experience encompasses every aspect of health insurance operations. Her background includes customer service, claims adjudication, billing and collection, member and provider services, and administration of managed care plans. She also has executive-level experience with merger integration, business sponsorship of IT systems development, projects and implementations.

Rob Plesha,
Vice President​, Actuarial

Rob Plesha began his career with Quartz Health Solutions, Inc. in 2007. Plesha’s background includes expertise in the Affordable Care Act (ACA), strategic planning, risk analysis, underwriting and sales management.

At Quartz, Plesha’s primary responsibilities include Actuarial, Underwriting, Pricing and Analytics for all products. He also oversees the Small Group, Individual and Exchange lines of business.

Plesha received a BS in Actuarial Mathematics from the University of Wisconsin – Madison. He is an Associate in the Society of Actuaries as well as a Member of the American Academy of Actuaries. He is a graduate of executive education programs at Harvard University and University of Wisconsin – Madison.

In addition, Plesha has given invited lectures at UW – Madison School of Medicine and Public Health, Edgewood College and the Society of Actuaries. He has served as a risk adjustment subject matter expert for the Wisconsin Office of the Commissioner of Insurance and has authored articles and white papers, including Risk Adjustment in Wisconsin.

Plesha serves on the Executive Leadership Team of the American Heart Association – Madison and the Ronald McDonald House.

Debbie Schiffman,
Assistant Vice President, Operations

Debbie Schiffman began her career with Quartz Health Solutions, Inc. in 1988. She has served in many roles in several departments, including Finance, Health Services, Data Analysis and Operations.

In her role as Assistant Vice President of Operations, Schiffman is responsible for Customer Service, Commercial Claims and Enrollment and supporting functions that include system configuration.

Schiffman earned a Bachelor of Arts in Accounting from Upper Iowa University and holds an Associate’s Degree in medical office management.

Christine Senty,
Vice President, General Counsel and Secretary

Christine Senty leverages in-depth knowledge and expertise in corporate governance, regulatory compliance, health plan transactions, and legislative affairs across multiple states and diverse product offerings to strengthen the organization's efforts for growth and continued success.

As General Counsel, Senty is the senior officer responsible for leading the organization's legal and compliance teams to ensure compliance with laws and regulations. In addition, Senty is responsible for a wide range of legal work and serves as the Secretary of the Board of Directors.

Senty is licensed to practice law in Wisconsin and Minnesota. She earned a Juris Doctor degree from Hamline University School of Law in St. Paul, Minnesota and Bachelor of Science in Business Administration and Human Resource Management from the University of Wisconsin – La Crosse. Senty is involved in numerous professional associations and is a member of the Friends of Henry Vilas Zoo Board of Directors.

Greg Skemp,
Vice President, Sales – Western Region & Middle Market

Greg Skemp began his career with Gundersen Health Plan in 2007. He provides sales leadership and strategy for Small Group, Medicare Advantage, Medicare Supplement, Individual Market for combined organization and Large Group and Self-Funded for Gundersen service area. He also shares responsibility for broker relationships across the organization.

Previously, Skemp managed the Central Minnesota office for a large Minnesota-based health insurer. He has been engaged in the health insurance and managed care industry since 1993, primarily in Sales and Account Management.

Skemp earned his undergraduate degree in Business (Marketing) from St Cloud State University in St. Cloud, Minnesota.

Skemp holds a license for  Life / Health Insurance in Iowa, Minnesota and Wisconsin. He is actively involved in the local community through youth sports coaching and as a member of Onalaska High School Athletic Booster Club Executive Committee. He provided health insurance educational seminars at Gundersen Health System training sessions for new Physician Assistants and has presented Affordable Care Act education to the local Economic Development Corporation.


Kelly Skifton,
Assistant Vice President, Compliance & Government Regulatory Operations

Kelly Skifton is responsible for developing and implementing an effective organizational compliance program. Skifton directs and coordinates efforts to ensure compliance with state, federal, and other regulatory agencies laws, regulations and policies to help prevent fraud, waste and abuse.

Skifton has more than 20 years of industry experience serving both healthcare providers and health care insurers. Prior to her current role, she served as Director of Compliance for Gundersen Health Plan since 2009. Previously, she held a leadership role in revenue cycle for Gundersen Health System.

Skifton holds a Bachelor’s Degree in Business Management and a Masters of Business Administration with an emphasis in Organizational Development, both from Upper Iowa University.  She is certified in Healthcare Compliance (CHC) through the Health Care Compliance Association and is also Epic-certified in Resolute Hospital Billing Insurance and Self-Pay Follow-up.


Dominic Turpin,
Assistant Vice President, Finance

Dominic Turpin joined Quartz Health Solutions, Inc. in 2017 and brings more than two decades of financial experience to the organization. Turpin’s career spans multiple, global industries and includes experience in the banking, food and health care sectors. At Quartz, he focuses his efforts on a broad array of financial responsibilities in a leadership capacity reporting to the CFO.

Turpin is a trustee on St. Cloud State University's Foundation Board serving as Chairman of the Finance and Audit Committee. He has been the keynote speaker for two graduating Cohorts of St. Cloud State University’s MBA program based in the Twin Cities. He also delivered the keynote address at the 2007 Southwest Student Conference of the National Association of Black Accountants.

Turpin received a Bachelor of Science degree in Accounting from Indiana University Northwest and a Masters of Business Administration from St. Cloud State University in Minnesota.