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Calvin Rigsby

Calvin J. Rigsby II
Business Development Manager 
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Leadership Team

Cheryl DeMars

Cheryl DeMars
President and CEO
800.223.4139 x6621,

Cheryl DeMars joined The Alliance in 1992, assuming several roles before becoming CEO in December 2006. Cheryl works with the Board of Directors and senior leadership team to establish the strategic direction of the cooperative.

Cheryl participates in a number of national and regional initiatives that align with The Alliance’s mission of controlling costs, improving quality and engaging individuals in their health. She is a board member and former chair of the National Business Coalition on Health. She serves on the Advisory Board of the Wisconsin Population Health Institute and the board of the Wisconsin Collaborative for Healthcare Quality.

Prior to joining The Alliance, Cheryl was a program manager at Meriter Hospital in Madison. She earned a master's degree in social work from the University of Wisconsin-Madison.

Paul Meyer

Paul Meyer
Chief Operating Officer
800.223.4139 x6654,

Paul Meyer joined The Alliance in 1996 and served as the director of finance and operations until he became chief operating officer in 2007. As the COO of The Alliance, his main duties include overseeing the claims and customer service, finance, MIS, and HR departments as well as business planning and reporting. Paul also serves as the treasurer of The Alliance Board of Directors.

In addition to his work at The Alliance, Paul serves as board chair for National CooperativeRx / WisconsinRx, providing direction for this not-for-profit prescription drug purchasing cooperative. Paul also serves on a number of other boards, including the Wisconsin Statewide Health Information Network (WISHIN), Catholic Charities of Madison, and All Saints Neighborhood.

Teri Van Tassel

Teri Van Tassel
Vice President, Marketing & Member Services
800.223.4139 x6633,

Teri Van Tassel joined The Alliance in 2006 and currently serves as vice president, marketing and member services. Her responsibilities include member services and the strategic marketing function of The Alliance. This includes member retention and engagement, brand management, market research, product management, marketing communications and public media relations.

Teri serves on the leadership team for a grant awarded to Mental Health America of Wisconsin to help businesses better manage mental health conditions in the workplace, as an advisory council member for the Wisconsin Initiative to Promote Healthy Lifestyles (WIPHL) which focuses on behavioral screening and intervention (BSI) for drugs, alcohol, tobacco, obesity and depression and as a committee member for a grant-funded initiative preventing early elective deliveries with the Midwest Business Group on Health. She recently served on a product development committee for the National Business Coalition on Health (NBCH), and is a member of the American Marketing Association.

Prior to joining The Alliance, Teri served as vice president/marketing for the Credit Union Executives Society.

Teri received her bachelor's degree in communication arts from the University of Wisconsin-Stevens Point.

Staff Directory

Alan Williams
Health Information Manager
800.223.4139 x6651

Amanda Gallman
Member Services Representative
800.223.4139 x6653

Amy Moyer
Manager of Value Measurement
800.223.4139 x6615

Andrea Shaw
Digital Content Specialist
800.223.4139 x6644

Barb Hamilton
Lead Data Entry Associate
800.223.4139 x6602

Beth Strait
Provider Relations Specialist
800.223.4139 x6617

Brook Linden
Receptionist/Office Assistant
800.223.4139 x6635

Calvin Rigsby
Business Development Manager
800.223.4139 x6643

Carlene Boehmer
Director of Claims & Customer Service
800.223.4139 x6601

Catherine Bownik
Provider Relations Coordinator
800.223.4139 x6637

Cheryl Gile
Data Entry Associate
800.223.4139 x6613

Connie Kiekbusch
Eligibility/Operations Specialist
800.223.4139 x6605

Darla Dernovsek
Marketing Communications Manager
800.223.4139 x6639

Darshanda Jackson
Customer Service Representative
800.223.4139 x6610

Dave Sell
Senior Programmer/Analyst
800.223.4139 x6656

Deb Kunferman
Provider Relations Manager
800.223.4139 x6648

Heather Oliva
Director of Provider Relations
800.223.4139 x6616

Jenny Fredenberg
Data Entry Associate
800.223.4139 x6612

Jess Ellefson
Project Coordinator – Health Care Transformation
800.223.4139 x6646

Julie Brazee
Data Entry Associate
800.223.4139 x6620

Kathryn Otto-McLeod
Manager of Product Portfolio and Strategy
800.223.4139 x6638

Kerry Connell
Claims Supervisor
800.223.4139 x6604

Kelly Rush
Business Development Associate
800.223.4139 x6671

Kelsie Arbour
Provider Relations Coordinator
800.223.4139 x6611

Linda Hanby
Data Entry Associate
800.223.4139 x6636

Lisa Wendorff
Marketing Communications Specialist
800.223.4139 x6658

Lori Madigan
Provider Relations Supervisor
800.223.4139 x6631

Margie Czechowicz, RN, BSN, CCM
Patient Experience Manager
800.223.4139 x6607

Mike Roche
Member Services Manager
800.223.4139 x6645

Patty Hellenbrand
Claims and Customer Service Specialist
800.223.4139 x6603

Paul Roelke
Member Services Advisor
800.223.4139 x6647

Paul Stencil
Marketing & Member Information Specialist
800.223.4139 x6641

Robin Argue
800.223.4139 x6655

Ryan Peterson
Programmer Analyst
800.223.4139 x6619

Sandy Carney
Auditing & Operations Specialist
800.223.4139 x6609

Tierney Anderson
Marketing & Events Specialist
800.223.4139 x6642

Wendy Collins
Executive Assistant/Office Manager
800.223.4139 x6632

Zach Ketterhagen
Assistant Product Manager
800.223.4139 x6659

The Alliance® is a cooperative of employers moving health care forward by controlling costs, improving quality, and engaging individuals in their health.