Meet the AAP Staff

Meet the AAP Team

Learn more about the people who take care of you at the AAP! We are passionate about making the AAP your academic home for physiatry. Hover over each circle to see our names and job titles, and click the circles to discover bios and our contact information.

Here are some other contacts you may need:

Contact Our Office

10461 Mill Run Circle, Suite 730
Owings Mills, MD 21117
Phone: (410) 654-1000
Fax: (410) 654-1001
General Email

Tiffany Knowlton, JD, MBA

Executive Director

Bernadette Rensing

External Affairs Director

Jackie Dilworth

Communications & Marketing Manager

Jewel Fossett

Membership Specialist

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Tiffany Knowlton, JD, MBA

Executive Director

Tiffany received her JD from Hamline University and her MBA from St. Thomas - both Minnesota schools. After graduating from law school, she worked as a lobbyist for a health maintenance organization. She then moved to Rochester, MN and started non-profit association work with the American Association of Neuromuscular and Electrodiagnostic Medicine. After helping pass physician-only electrodiagnostic medicine legislation in a couple of states, she moved to Georgia to work with the American College of Rheumatology overseeing government affairs, a political action committee, insurance and coding departments for seven years. Tiffany is happy to be working with physiatrists again and meeting old friends. She lives in Baltimore, MD with her teenage son and daughter and rescue beagle Holly.

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Bernadette Rensing

External Affairs Director

Bernadette has been with the AAP nearly 10 years, starting in 2010 as the Communications Manager. Prior to the AAP, she contributed to the medical field in various sales and marketing roles. In her current position, Bernadette facilitates and strengthens partnerships between the AAP and business, industry and philanthropic organizations. These relationships are crucial to the growth and scope of the AAP and the advancement of its mission. Bernadette and her husband are involved in their son’s many sports programs and love watching him play.

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Jackie Dilworth

Communications & Marketing Manager

Jackie is a versatile PR and marketing professional with nine years in the nonprofit industry - previously as the Director of Communications for the YMCA of Metropolitan Washington and Communications & Advocacy Manager for The Family Tree. At the AAP, she oversees all advertising and communications strategies, which includes the Annual Meeting, membership, website, social media, direct mail and email. Jackie also manages the AAP's Membership Committee and Resident/ Fellow Council. In her free time, you'll find her teaching yoga. Jackie lives in Baltimore, MD with her rescue cat Bram.

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Jewel Fossett

Membership Specialist

Jewel is a dedicated membership specialist and brings 9+ years’ experience in the health care industry to the AAP. Her previous position, with the University of Maryland School of Medicine, gave her a unique view into the daily lives of physicians and hospital staff, and she uses this insight to effectively communicate with and anticipate the needs of members here at the AAP. Jewel oversees memberships and annual meeting registration and also acts as the staff representative for the Program Coordinators Council and the Administrative Directors Council. When Jewel is not at the AAP, you can find her gaming with her husband and two sons, painting, or trying new recipes.

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Cristiana Ratti

Instructional Design Manager

Amy Schnappinger

Member Services Manager

Candace Street

Annual Meeting Manager

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Cristiana Ratti

Instructional Design Manager

Cristiana brings over 15 years of experience in Instructional Design to her role at the AAP. She has applied adult learning principles to develop training programs in both clinical and non-clinical topics and developed online and instructor led courses to address learning gaps and business needs. Her responsibilities at the AAP include creating and publishing online classes on the Virtual Campus, tracking and reporting CME, overseeing the Education Committee, and more. Cristiana is an advocate of life-long learning, her most recent classes including understanding financial statements and cake decoration. She loves spending time with her family, which includes her husband and two rescue dogs. She enjoys playing board games, reading, and baking.

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Amy Schnappinger

Member Services Manager

Amy brings more than 20 years of association and non-profit experience to the AAP. She currently works closely with the AAP's Program for Academic Leadership (PAL), medical student programs, Research Committee, volunteers, awards, and manages abstracts for the AAP Annual Meeting. When she’s not at the AAP, Amy spends her time working at her family’s cut flower farm on the Eastern Shore, going to concerts, volunteering with 4-H, and participating in GISH (Greatest International Scavenger Hunt).

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Candace Street

Annual Meeting Manager

Bio Coming Soon

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