Senior Staff

Jack Mulvena

President and CEO

In 2013, Jack Mulvena joined Naples Zoo at Caribbean Gardens as President and CEO. Mulvena served for 20 years as the Executive Director of the Rhode Island Zoological Society and Roger Williams Park Zoo in Providence, Rhode Island. Jack is a national conservation leader with a special focus on education and motivating young people to get involved in wildlife conservation. Jack is also a leader in the effort to persuade the United States Congress to pass legislation to address critical environmental challenges by strengthening and expanding environmental education in America’s classrooms. Most importantly, Jack knows from experience how to sustain the highest standards of animal care, offer compelling experiences to zoo guests, and create a professional working environment that attracts the top talent in the zoo profession.

Douglas Rickenbach

Chief Operating Officer

With nearly three decades of experience in the themed attraction industry including both Cedar Fair and Six Flags parks, Doug brings a depth of professional experiences to insure guest satisfaction and safety including operating an Incident Command structure.  As the Chief Operating Officer, Doug also has oversight of visitor service divisions including the Primate Expedition Cruise, Giraffe Feeding Station, online and in-person ticketing and membership sales, and the Group Sales Department featuring on-site events from weddings to corporate events. Doug also coordinated bringing in third-party expertise for retail, food services, and camel rides. As a member of both the Association of Zoos and Aquariums and the International Association of Amusement Parks and Attractions, Doug uses a wealth of resources to continually grow and enhance guest experiences.


Danielle L. Green

Director of Gardens and Grounds

Danielle is responsible for the development and management of the Zoo’s public and exhibit landscape and botanical education programs. A native of Virginia Beach, VA, Danielle has been working with plants professionally for over 20 years, to include 11 years as Curator of Horticulture and Environmental Initiatives at Zoo Atlanta.  Clients of her work have ranged from corporate office parks to residential communities to lowland gorillas, feisty giraffe, and Malayan tigers.  Seeking the eternal recipe for creating a destination landscape to transport each observer to their favorite oasis is the goal of each workday.  Danielle holds a BS degree in Biology / Horticulture from Christopher Newport University and is the president of the Association of Zoological Horticulture.

Tina Jaquess


Tina has called Naples home for 14 years. She is originally from Columbus, Indiana where her strength in management began by raising 3 children who have made her “Nana” to 7 beautiful grandchildren.

Joining Naples Zoo in 2014, Tina is the Executive Assistant to President and CEO Jack Mulvena. She plays an invaluable role with the Zoo’s fundraising events Zoo Gala and Zoobilee. Zoo Gala 2019 raised more than $1,342,000, breaking the Zoo’s fundraising record for a single event. Zoobilee 2020 was a record breaking event as well with the most restaurants the Zoo has ever hosted for this event and the first time the event has ever sold out.

In addition to her degree in Interdisciplinary Studies, with a focus on psychology, she draws from many years of varying experiences in project management from working at a captive insurance company, for distributors of a Fortune 500 company, and from co-creating a regional charter airline company.

In her free time, Tina enjoys playing tennis and pickle ball in the community.

Courtney Jolly

Director of Public Relations & Marketing

As a Naples native and seventh generation Floridian, Courtney knows the Naples market very well and is very involved in the community. She enjoys volunteering with many nonprofit organizations in the area, including Naples Church, Naples Therapeutic Riding Center, 4-H Youth Leadership and Youth Leadership Collier. Courtney attended Florida Gulf Coast University, where she obtained her bachelor's degree in Marketing. She is a 2016 graduate of Leadership Collier. Her career began in bank marketing as a Marketing Coordinator and Marketing Specialist. Her experience includes planning events, coordinating sponsorships, maintaining marketing and sponsorship budgets, coordinating fundraising events, collateral design, design editing, cultivating media relationships and creating/executing marketing strategies in the South Florida Market. She is responsible for all marketing and public relations for Naples Zoo.

Lee Ann Rottman

Director of Animal Programs 

Lee Ann holds a BS degree in zoology from the University of South Florida but attributes her extensive travel to her understanding and commitment to species conservation. During her career, she has traveled to the African countries of Uganda, Cameroon, Sierra Leone, Zambia, South Africa and Gabon to provide on the ground technical support for numerous African primate sanctuaries.

She has 29 years of experience in animal management and conservation at ZooTampa. Prior to moving to Naples, Lee Ann served as the VP of Conservation and Research for Zoo Tampa, in her role she provided overall planning, direction, leadership, and management of the Zoo’s conservation and research programs. Lee Ann is a member of Manatee Rehabilitation Partnership Steering Committee, the Florida Black Bear Stakeholders Group, and an advisor/instructor for the Pan African Sanctuary Alliance (PASA).  

Prior to her role as VP of Conservation and Research, Lee Ann held the position of General Curator at ZooTampa for 15 years.  Lee Ann was responsible for the management of the Zoo’s animal population and nearly 60 animal care professionals. She developed and oversaw the Zoo’s animal enrichment, training, and ambassador programs and was a key member of the Zoo’s design team in the master planning and development of the Zoo’s expansion from 26 acres to 60 acres. 

She is a professional member of the Association of Zoos and Aquariums, (AZA) and an elected member of Chimpanzee Species Survival Plan Management Group.

Marci Seamples, IOM, CFRE, CAP

Director of Development

A seasoned non-profit development professional with over two decades of experience in the 501 (c) sector, Seamples has served as the Director of Development at Naples Zoo since September 2014 and provides leadership for all advancement and membership programs. She holds a BA from the University of Rochester, a MAM from the Heinz College of Public Policy and Information Systems at Carnegie Mellon University, the IOM designation from the US Chamber Foundation Institute of Organization Management and has earned CFRE certification. In 2020, she received her Chartered Advisor in Philanthropy designation from the American College of Financial Services.  Seamples currently volunteers as Vice-Chair for SWFL, Inc. and as a member of the Association of Zoos and Aquariums Advancement Committee. She has been honored to present both locally and nationally on developing new planned giving programs as well as Planned Giving Strategies for “Small Shops”. She is a past president of the Greater Naples Area Planned Giving Council.

Seamples is a member of the Association of Fundraising Professionals and the National Association of Charitable Gift Planners. She is a 2011 graduate of Leadership Collier, 2019 graduate of Leadership SWFL, and an undergraduate admissions interviewer for the University of Rochester’s College of Arts and Sciences.

Brian Settle

Director of Human Resources

Majoring in Human Resources and Business Management, Brian graduated from Eastern Illinois University and has served as the head of human resources/chief human resources officer with four healthcare systems as well as being a Human Resources Consultant.Brian is a member of the Society for Human Resources Management and a past chapter president of it as well as a past chapter president of the American Society of Healthcare Human Resources Administration. He served on the Board of Directors for the Naples Area Chamber of Commerce. Brian has facilitated discussion groups at large meetings, presented at national and local conferences, and continues to consult and lead presentations on various Human Resources issues.

Tim L. Tetzlaff

Director of Conservation

Tim coordinates Naples Zoo’s portfolio of field conservation efforts from giraffes to giant anteaters. He is Chair of the Madagascar Fauna and Flora Group and Vice-President of the Florida Association of Zoos and Aquariums. He also serves on the Board of Giraffe Conservation Foundation and is a member or advisor for other conservation groups.  Tim also researches, develops, and designs the interpretation graphics in the Zoo. He loves the outdoors and is delighted to introduce others to its wild beauty when he hosts safaris to Africa. As the son of Zoo Founders Jungle Larry® and Safari Jane®, Tim has built a life on sharing the wonders of the natural world we all depend on. 

Maggie Woosley

Director of Education

Maggie shares her passion for education, interpretation, nature, and wildlife with learners of all ages as the Director of Education. She studied biology, physiology, and art at Aurora University, and has a master’s degree in biology from Miami University-Ohio.  Maggie brings more than a decade of experience with the Chicago Zoological Society, Brookfield Zoo.  She served five years as a customer service trainer and three years as a trainer in early childhood professional development.Her commitment to zoo education and conservation stems from the multiple roles she has worked in, and affords her a strong background in nature-based early childhood programming, training, and inclusion. Maggie has been a Certified Interpretive Guide through the National Association for Interpretation since 2015, and more recently became a Certified Educator with National Geographic in 2020. While a Chicagoland native, her love for the ocean has helped her feel right at home in Naples.  Maggie spends her free time exploring Florida’s diverse ecosystems by way of walking and kayaking. 


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