Executives & Governance

Lloyd VanderKwaak

President and CEO

Lloyd has served as the President and CEO of ChildServe since 1992. Prior to this, he was the Director of Client Services for Hope Haven, Inc. in Rock Valley, IA. Lloyd received his bachelor’s degree from Dordt College, his Masters of Public Administration from the University of Wisconsin, and his Doctorate of Education in Organizational Development from the University of St. Thomas. Lloyd served as a trustee for Dordt College from 2009-2015, and finished two terms on the board of the Iowa Association of Community Providers in 2017.

David McKenzie

Executive Vice President – CFO

David joined ChildServe in 1994 and has served in a Vice President role since 1998. He received his bachelor’s degree from Drake University and MBA from the University of Iowa. David is a Certified Public Accountant and Senior Professional in Human Resources. Prior to joining ChildServe, he worked in public accounting and in the non-profit healthcare industry.

Teri Wahlig, M.D., MBA

Executive Vice President/Chief Medical Officer

Dr. Wahlig joined ChildServe in February 2010 as Vice President and Medical Director. She graduated from the University of Iowa College of Medicine, and she is board certified in pediatrics, neonatal – perinatal medicine, and palliative care – hospice medicine. In 2015, Dr. Wahlig received her Master’s in Business Administration from the Henry B. Tippie College of Business at the University of Iowa. Prior to joining ChildServe, Dr. Wahlig was medical director of the Mercy Medical Center’s Neonatal Intensive Care Unit.

Dave Comstock

Vice President of Home and Community Services

Dave joined ChildServe in 1996 as a Program Manager and was promoted to Program Director in 2001. After ten years in a director role, Dave now serves as the Vice President of Home and Community Services and is responsible for leading the development and operation of an organization performance measurement and improvement system while providing supervision and support to program directors responsible for the Home and Community Services program. Dave has a bachelor’s degree in Business Administration from William Penn University.

Tracey Page

Vice President of Clinical Services

Tracey Page joined ChildServe in May 2003 as Program Director of Therapy and Homecare. As the therapy program grew, she became Director of Pediatric Rehabilitation, and now serves as Vice President of Clinical Services. Tracey provides oversight in the areas of inpatient and outpatient pediatric rehabilitation, physician services, psychology, homecare, and marketing and referral development. She is also leading the Eastern Iowa expansion. Tracey has an associate’s degree in Applied Science in Occupational Therapy and a bachelor’s in Health Science from the Medical University of South Carolina.

Mark Gambaiana

Vice President of Development

Mark joined ChildServe in 2016 and is responsible for leading the organization’s fundraising programs to advance the mission of ChildServe, including annual giving, special events, major and planned gift, capital campaigns, donor stewardship and endowment giving. Since 1985, Mark has worked at college and university advancement programs, holding positions in public relations, alumni relations and fundraising. He previously served as Vice President of University Advancement at Truman State University in Kirksville, MO, and has additional experience as a fundraiser for Iowa State University’s College of Veterinary Medicine and at Morningside College in Sioux City. He has a bachelor’s degree in Mass Communications from Morningside College.

Jay Winger

Vice President of Human Resources

Jay Winger joined ChildServe in March 2003, as Director of Staff Relations. He transitioned into the Director of Human Resources and now serves as Vice President of Human Resources. Jay develops and executes initiatives in support of the overall strategic direction and operations of the organization, specifically in the areas of succession planning, talent management, change management, learning and development, and facility support services. Jay has a bachelor’s in Economics from the University of Iowa and currently has his certification as a SHRM-CP.

2017-2018 Board of Directors

David Mackaman, Chair

Shirley Poertner, Vice Chair

Doug Cretsinger, Secretary

Jim Sanders, Treasurer

Doug Dornacker,  Past Chair

Lloyd VanderKwaak, EdD, President/CEO

Kip Albertson

Loren Brockhouse

John Bruntz

Matt Grotnes

Julie McMillin

Mindy Moss

Paul Nagel

Joel Nelson

Sally Studer, DO

Mike Wegner

Emily Willits

Maria Wood

2017-2018 Board of Trustees

Tom Mahoney, Chair

Kim Willis, Vice Chair

Tom Stewart, Secretary/Treasurer

Brian Laurenzo, Immediate Past Chair

Lloyd VanderKwaak, EdD, President/CEO

Kip Alberston

Vanessa Blanchfield

Jay Byers

Megan Christofferson

Richard Deming, MD

Nick Gerhart

Joanie Houston

Kylee Krizmanic

Chris Littlefield

Jim McCulloh

David Nelson

Larry Stelter

Cathy Stjernberg

Andrew Susanin

Our Strategic Plan: Strategy 2019

We’re working in a rapidly changing healthcare environment. With the input of a multidisciplinary team of staff, ChildServe has developed a three-year strategic plan that outlines our goals for the future. This plan guides our business strategies and decisions with a focus on strategic priorities in which we’ll invest our time and resources. Our Strategy 2019 plan is part of a larger 10-year vision designed to help ChildServe be uniquely positioned in Iowa to improve the health and well-being of children with special healthcare needs.


ChildServe improves the health and well-being of over 4,200 children each year through specialized clinical, home, and community-based programs and services. We serve children with developmental delays, disabilities, acquired injuries, and other special healthcare needs.

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