• PDI Staff

PDI Staff

The Professional Developers of Iowa (PDI) contract association management services with Association Management, Ltd. (AML). Several staff members are assigned as PDI's Executive Staff and Support Team to support the mission, goals and activities of the Association. All PDI executive and support team members may be contacted via e-mail at Director@PDIowa.com or telephone at (515) 243-4585.

Heather Tamminga, CAE - Executive Director

Lynn serves as the first point of contact for PDI. Under the direction of the Board of Directors, Harkin and her team support the strategic direction of the Association. She will support Board meetings; perform meeting planning which includes the PDI Conferences, PDI Annual Meeting and PDI Day on the Hill, work with the Communications Committee to produce the PDI Post newsletter, and distribute timely communications to the membership of PDI.  director@pdiowa.com



Kristen Dearden - PDI Meeting Planner

Kristen Dearden is responsible for all aspects of planning and implementing PDI’s Legislative Event, Spring Event and Fall Conference. Kristen began her career in association management in 1990. Throughout her many years in association management, she has experienced all aspects of an association such as meeting planning, continuing education, the legislative arena including public and professional affairs, fundraising, strategic planning and management, and has a strong background with healthcare organizations.  She is a member of Meeting Professionals International – Heartland Chapter; Iowa Society of Association Executive and was nominated for 2012 University of Iowa Staff Employee of the Year Award. meetings@pdiowa.com



Donna Donovan- Financial Manager

The Financial Manager provides financial management and conducts the day-to-day financial operations of the Association. Donovan assists Harkin and the PDI Treasurer with budget preparation and monitoring of the budget throughout the year. Donovan also assists the PDI Treasurer with investments management and trends analysis for the Association.  ddonovan@accounting.aml.org



Darcy Watson, CAE - Webmaster/Technical Assistant

Darcy Watson supports PDI in the area of technology. She is responsible for posting information on the PDI Web site and managing all systems that allow for electronic communications to the members.dwatson@aml.org

Watson Darcy


Nancy Cunningham - Membership Database Manager/Meetings Assistant

Nancy is responsible for managing the PDI membership database, processing dues, processing conference registrations, and assisting Harkin in coordinating projects (in-house and outsourced) for PDI. staff@pdiowa.com



Molly Lopez, CAE - PDI Advisor

Molly Lopez, as a previous PDI Executive Director, supports Harkin, her team, the PDI Board, and the Association in an advisory capacity through her experience and access to information and resources that support association management. associationmanagement@aml.org

Lopez Molly