Our Team

Meet Our Team

Gregory Hill, Aurora Day Camp

Gregory Hill

Executive Director

Greg is the founding Executive Director of Aurora Day Camp in Atlanta. As such, he is responsible for the management of all of Aurora programs, operations and community relations. He has spent his entire career in the nonprofit sector and comes from the humanitarian field where he focused on the design and implementation of child-focused programs around the world, including in the U.S.. Greg earned a BA in Journalism from Fairfield University, MA in International Affairs from Catholic University and a Certificate in Humanitarian Logistics from the Fritz Institute.

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Maria Myler

Director of Development

Maria, who hails from Scotland, is an innovative, entrepreneurial, fundraising leader with over 23 years building strategic relationships across multiple stakeholder groups. Her leadership successfully grew major gifts portfolios, sponsorship, events, volunteer leadership and corporate mission awareness with several national charities. In every organization served, her ability to raise funds and build partnerships, has led the organization to be a national leader. Maria’s passionate ability to connect to others and to share the story and magic of the mission enhances every project and helps empower others.


Samantha ("Sami") Tanenbaum

Director of Camp & Year-Round Programs

At an early age, Sami witnessed the magic of camp. She attended camp for seven summers, served as faculty and staff, and even met her husband while working at camp as a Counselor in Training. Sami has a passion for all things camp. Before joining Aurora Day Camp, she launched a day camp for preschoolers, she served as a Director of Youth & Teen Programming, as well as a Community Camp Ambassador. In her free time, Sami enjoys spending time with friends and family, attending festivals and going to movies.


Allison Lavelle

Operations Manager & Family Liaison

Growing up, Allison attended and then served on staff at the same day camp for 13 years. Allison has a passion for bringing the magic of camp to children with chronic illnesses and their families, developed from her own love of camp as well as previous experience fundraising and event planning for Children’s Miracle Network Hospitals through Dance Marathon. Prior to joining Aurora Day Camp, Allison worked as a Certified Child Life Specialist, serving as a critical component of the Family Support Services team. Allison earned a BA in Communication from Auburn University and a MS in Family and Child Studies from Texas State University.

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Susan Shields

Coordinator of In-hospital Programs

Susan combines her work as a certified elementary school teacher with background in the non-profit sector in her current position. Prior to becoming an educator, she worked with the Cystic Fibrosis Foundation in event planning and the Salvation Army in direct marketing. Susan works closely with our volunteers to bring the magic of Aurora Day Camp to children during their hospital visits. Susan received an ABJ in Advertising from the University of Georgia and her teacher certification from Mercer University.


Julie Fleming

Assistant Coordinator of Program & Operations

Julie is from Enterprise, Alabama. She has a passion for recreation and working with children. She graduated from Troy University with a degree in Sport, Hospitality, and Tourism Management with a minor in Recreation. She is pursuing her master’s in Nonprofit Administration from LSU Shreveport. Julie has worked for three years with Winshape Camps as a summer staffer serving as a Media Specialist and Camp Director. She has seen firsthand the power camp ministries can have on families and children of all ages and is excited to bring that joy to families around the Atlanta area.

Meet Our Medical Director

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Dr. John Bergsagel

Medical Director

Dr. John Bergsagel is a pediatric hematologist at the Aflac Cancer & Blood Disorders Center of Children's Healthcare of Atlanta. He has worked there since 1991. His main focus is treating children with leukemia and lymphoma. Having been in Atlanta so long, he has been able to enjoy seeing his patients grow into adults and even in some cases take up careers in healthcare looking after children with cancer. He believes that camping experiences for children with cancer is one of the best things that can be done to help normalize their lives. John loves to walk his dog phoebe, play tennis, and spend summers at the Outer Banks.