Members of the Saint Louis Zoo staff contribute their time and talents to Association of Zoos & Aquariums (AZA) programs and other collaborative projects. Media interested in talking to them should contact

Jeffrey P. Bonner, Ph.D., Dana Brown President and CEO

  • Past chair of the Association of Zoos and Aquariums (AZA), the Amphibian Ark, the International Species Information System and the Madagascar Fauna and Flora Group
  • Board member of the Conservation Breeding Specialist Group, BioSTL Coalition, Forest Park Forever and St. Louis Regional Chamber of Growth Association (RCGA)
  • Member of The Explorers Club, the Academy of Science and the Association of Zoos and Aquariums
  • A Burgess Fellow, Traveling Fellow, Fulbright Scholar, President’s Fellow and a recipient of the National Research Service Award
  • Author of numerous articles and books, including Sailing with Noah, Stories from the World of Zoos

Eric Miller, DVM, Dipl. ACZM, Senior Vice President of Zoological Operations

  • Director, WildCare Institute
  • Chair, Madagascar Fauna Group
  • Board member, Harris World Ecology Foundation at the University of Missouri – St. Louis, 20011-present.
  • Scientific Board member, International Rhinoceros Foundation, 2004-present.
  • Veterinary advisor, Rhinoceros Taxon Advisory Group, 2004-present.
  • Member, Veterinary Specialist Group of IUCN
  • Member, American Association of Zoo Veterinarians
  • Member, European Association of Zoo and Wildlife Veterinarians
  • Member, Editorial Board, International Zoo Yearbook
  • Chair, Editorial Board of the American Association of Zoo Veternarians (1995-2007), Co-Chair 2007-present.
  • Co-Editor (with Murray Fowler), Zoo and Wild Animal Medicine, 4th through 6th Editions
  • Editor, Zoo and Wild Animal Medicine, 7th and 8th (2014) Editions


Jack Grisham, Vice President of Animal Collections

  • Institutional liaison for AZA Conservation Programs
  • Member, IUCN specialist groups for cat; CBSG; hyena and canid
  • Board member, Global Cheetah Forum
  • Member, American Society of Mammalogists

William Houston, Assistant General Curator

  • Coordinator, Addax Species Survival Plan
  • Vice President and founding board member, Sahara Conservation PlanFund
  • Founding member, Sahelo-Saharan Interest Group
  • Director, Saharan Wildlife Recovery Center, Saint Louis Zoo WildCare Institute
  • Member IUCN-CBSG, IUCN Pig, Peccaries and Hippos Specialist Group
  • Advisor, AZA Bison, Buffalo, Cattle Taxon Advisory Group, Steering Committee, Wild Pig, Peccary and Hippo Taxon Advisory Group and Antelope and Giraffe Taxon Advisory Group
  • Member, Ratite Taxon Advisory Group
  • Member, AZA Reintroduction Advisory Group

Steve Bircher, Curator of Mammals/Carnivores

  • Member, Steering Committee: Felid & Small Carnivore TAGs, Management Group: Cheetah, Lion, Tiger, Polar Bear, North American Otter SSPs
  • Institutional Representative, Jaguar, Polar Bear, Red Panda, Amur leopard, Spotted Hyena SSPs, Ursid TAG, Canid & Hyena TAG
  • Director, Center for Conservation of Carnivores in Africa, Saint Louis Zoo WildCare Institute
  • Liaison, Polar Bears International, Andean Bear Conservation Alliance, Tiger Conservation Campaign, African Painted Dog Project
  • Member, Global Cheetah Forum, American Society of Mammalogists, The Academy of Science St. Louis

Jeff Ettling, Ph.D. Curator of Herpetology

  • Co-Coordinator, Eastern Massasauga SSP and Virgin Island Boa Red Program
  • Institutional Representative Chinese Alligator, Radiated Tortoise SSPs, Amphibian, Chelonian, Crocodilian, Lizard, and Snake TAGs
  • Director, Center for Conservation inWestern Asia
  • Director, Ron Goellner Center for Hellbender Conservation

Martha Fischer, Curator of Mammals/Ungulates and Elephants

  • Chair, Antelope & Giraffe TAG Chair
  • Chair, Elephant TAG
  • Coordinator, Grevy’s Zebra SSP, Asian Elephant SSP, African Elephant SSP
  • Studbook Keeper, North American Regional Studbook for Grevy's Zebra
  • Institutional representative, Addra Gazelle, Asian Elephant, Gerenuk, Giraffe, Grevy’s Zebra, Lesser Kudu, Lowland Nyala, Okapi, Red-flanked Duiker, Red Kangaroo, Soemmerring’s Gazelle, Speke’s Gazelle, Takin
  • Director, Saint Louis Zoo’s WildCare Institute Center for Conservation in the Horn of Africa 
  • Coordinator, Saint Louis Zoo’s WildCare Institute Elephant Conservation Program
  • Founding Trustee and Chair, Board of Trustees, Grevy’s Zebra Trust
  • Past-President, Board of Directors, International Elephant Foundation
  • Member, IUCN/SSC Antelope Specialist Group
  • Member, IUCN/SSC Equid Specialist Group
  • Member, Sahelo-Saharan Interest Group
  • Ph.D. Student, University of Missouri, Division of Biological Sciences

Heidi Hellmuth, Curator of Primates

  • Steering Committee, AZA Behavioral Advisory Group
  • Founding Director, Animal Behavior Management Alliance (ABMA)
  • Board of Directors, ABMA – 1999-2005, 2010-2013
  • Editor, ABMA Wellspring newsletter 2000 – 2015
  • Safety Editor – Shape of Enrichment

Michael Macek, Curator of Birds

  • Chair, Piciformes Taxon Advisory Group
  • Coordinator, Crested Screamers SSP
  • Studbook Keeper, North American Regional Studbook for Crested Screamers Steering Committee Member, Coraciiformes, Galliformes, Anseriformes & Penguin TAGs Management Group Member, Rhinoceros Hornbill, Micronesian Kingfisher, Humboldt Penguin SSPs Member, Ciconiiformes, Columbiformes, Gruiformes, and Passeriformes (PACCT) TAGs
  • Institutional representative Great Rhinoceros Hornbill, Congo Peafowl, Blue-Crowned Pigeon and Cinereous (European Black) Vulture, White-Winged Wood Duck, Victoria Crowned Pigeon,Wattled Crane,White-naped Crane and Bali Mynah SSP
  • Member, IUCN/SSC Cracid Specialist Group
  • Director, Saint Louis Zoo WildCare Institute Center for Conservation of the Horned Guan (Pavon) in Mexico and Guatemala
  • Director, Saint Louis Zoo WildCare Institute Center for Conservation in Punta San Juan, Peru
  • Coordinator, Saint Louis ZooWildCare Institute Marianas Avifauna Conservation Program

Deb Schmidt, Ph.D., William R. Orthwein, Jr. Family Animal Nutritionist

  • Member, AZA Animal Health Committee
  • Nutrition Advisor: Gorilla, Orangutan, African Painted Dog SSPs, Piciformes TAG Member,
  • Member, Nutrition Advisory Group (NAG), American Association of Zoo Veterinarians (AAZV) Member, American Society of Animal Sciences (ASAS) Member, Comparative Nutrition Society (CNS)

Alice Seyfried, Fred Saigh Curator/Emerson Children's Zoo

  • Studbook Keeper, North American Regional Studbook for Short-beaked Echidna
  • Coordinator, Short-beaked Echidna SSP,
  • Member, Management Group, Tree Kangaroo Species Survival Plan and Management Group, Koala Species Survival Plan
  • Director, Center for Conservation in Forest Park, Saint Louis Zoo WildCare Institute
  • Steering Committee Member Program Animal Scientific Advisory Group
  • Course Administrator AZA Principles of Program Animal Management

Ed Spevak, Curator of Invertebrates

  • Member, Small Population Management Advisory Group (SPMAG)
  • Member, Steering Committee, Terrestrial Invertebrate Taxon Advisory Group
  • SPMAG Advisor, Addax Species Survival Plan
  • SPMAG Advisor, Grevy's Zebra Species Survival Plan
  • SPMAG Advisor, Mexican Wolf Species Survival Plan
  • SPMAG Advisor, Mhorr and Addra Gazelle Species Survival Plan
  • SPMAG Advisor, Somali Wild Ass Population Management Plan
  • Member, Sahelo-Saharan Interest Group
  • Member, Saharan Conservation Fund, Conservation & Science Committee
  • Member, IUCN/Conservation Breeding Specialist Group
  • Programme Officer, IUCN SSC Bumblebee Specialist Group
  • Adjunct, AZA Population Management Center
  • Member, Steering Committees, Honey Bee Health Coalition, Keystone Monarch Collaborative, Missouri Monarch Collaborative
  • Ph.D. candidate 
  • Co-Chair, Bumble Bee Task Force, North American Pollinator Protection Campaign

Julie Hartell-DeNardo, Zoological Manager of Carnivores

  • Chair of Behavior Husbandry Committee, American Association of Zookeepers (AAZK)
  • Institutional Representative for Red Panda Species Survival Plan (SSP), Small Carnivore Taxon Advisory Group (TAG), Andean Bear SSP, Anteater SSP,  and Canid and Hyaenid TAGs.   
  • 2015 AZA Mary Healy Avian Scientific Advisory Grant Recipient 
  • 2011 AZA Margaret Dankworth Management Scholarship Recipient 
  • 2014 Research Grant and Professional Development Grant Recipient (AAZK)
  • 2005 Training Achievement Award from Animal Behavior Management Alliance (ABMA)

Peggy Hoppe, Zoological Manager of Great Apes

  • Regional and International Studbook Keeper-Blue-eyed Black Lemur
  • Regional and International Studbook Keeper-Black Lemur
  • Species Survival Plan Coordinator-Blue-eyed Black Lemur

Joseph Knobbe, Zoological Manager of Primates

  • Chair, Old World Monkey Taxon Advisory Group
  • Steering Committee Member, Prosimian Taxon Advisory Group
  • Vice-coordinator, Hamadryas Baboon Species Survival Plan
  • Species Survival Plan Institutional Representative: Guereza colobus, lion-tailed macaque, Hamadryas baboon, Allen’s swamp monkey, Francois’ langur, spider monkey, cotton-top tamarin, golden lion tamarin, Goeldi’s monkey, Coquerel’s sifaka, ruffed lemur, ring-tailed lemur and Eulemurspecies.
  • Advisory Board Member, AZA’s Contraceptive Advisory Group
  • Member, Saint Louis Zoo’s Research Review Committee

Bob Merz, Zoological Manager of Invertebrates

  • Studbook Keeper, North American Regional Studbook for American Burying Beetle
  • Coordinator, Partula Snail Species Survival Plan
  • Director, Center for American Burying Beetle Conservation, Saint Louis ZooWildCare Institute

Cory Nordin, Zoological Manager of River's Edge

  • Institutional representative , Rhino Taxon Advisory Group
  • Institutional representative, Black Rhino Species Survival Plan and Studbook

Tim Thier, Zoological Manager of Antelope

  • Chair, AZA Equid Taxon Advisory Group
  • Secretary, AZA Caprinae Taxon Advisory Group
  • Vice Coordinator Addax SSP
  • Vice Coordinator Grevy’s zebra SSP
  • Coordinator Somali Wild Ass SSP
  • Studbook keeper, North American Regional Studbook for Somali Wild Ass
  • Coordinator Addra Gazelle SSP
  • Studbook keeper, North American Regional Studbook for Addra Gazelle
  • Institutional representative: Species Survival Plans: Babirusa, Visayan warty pig, Banteng, Central Chinese Goral, Tammar Wallaby; Taxon Advisory Groups for wild pig/peccary/hippo, Cervid and bison/buffalo/cattle
  • Member, IUCN SSC Equid Specialist Group

Anne Tieber, Zoological Manager of Birds

  • Manager, Bearded Barbet North American Population
  • Studbook keeper, North American Regional Studbook for Bearded Barbet

Kyle Ulmer, Zoological Manager of Pinnipeds

  • Institutional representative, Marine Mammal TAG

Mark Wanner, Zoological Manager of Herps and Aquatics

  • Species Survival Plan Coordinator and North American Regional Studbook Keeper for Armenian Viper
  • North American Regional Studbook Keeper for Green Tree Python
  • Director of Ecuadorian Amphibian Collaboration

Research Department

Cheryl Asa, Ph.D., Director of Research

  • Director, AZA Reproductive Management Center at Saint Louis Zoo
  • Member, AZA Animal Welfare Committee
  • Member, AZA Science and Technology Committee
  • Member, AZA Scientific Advisory Groups (SAGs) for Behavior, Reproduction, and Biomaterials Banking
  • Reproduction Advisor for AZA Taxon Advisory Groups (TAGs) for Canids/ Hyenids, Small Carnivores, Equids, and Buffalo/Bison/Cattle
  • Reproduction Advisor for AZA Species Survival Plans (SSPs) for Mexican Wolf, Painted Dog, and Jaguar SSP
  • Associate Editor, ZOO BIOLOGY
  • Member, IUCN Survival Service Commission, CBSG
  • Member, IUCN/SSC Canid Specialist Group
  • Reproduction Advisor, IUCN/SSC Equid Specialist Group
  • Consultant, U.S. Fish and Wildlife Service Mexican Wolf Recovery Team
  • Member, U.S. National Park Service Channel Island Fox Recovery Team

Karen Bauman, Laboratory Manager

  • Coordinator, Fennec Fox SSP Chair, Canid and Hyaenid TAG
  • Member, Anseriformes, Antelope/Giraffe, Bison/Buffalo/Cattle TAGs, Biomaterials Banking, Institutional Data Management, and Reproduction SAGs, Zoo and Botanical Gardens GIS Data Model Project Team, International Society for Biotelemetry, Remote Sensing & GISWorking Group, The Wildlife Society, American Society of Mammalogists

Corinne Kozlowski, Ph.D., Endocrinologist

  • Member, AZA Wildlife Contraception Center Advisory Board
  • Member, International Society for Wildlife Endocrinology

Animal Health Department

Luis R Padilla, DVM Dipl ACZM, Director of Animal Health

  • Diplomate American College of Zoological Medicine
  • Veterinary Advisor, Cheetah SSP
  • Member, American Association of Zoo Veterinarians, American Veterinary Medical Association, Association Avian Veterinarians, Association Reptile and Amphibian Veterinarians, Wildlife Disease Association and Association of Small Ruminant Practitioners
  • Peer Reviewer, Journal of Zoo and Wildlife Medicine

Chris Hanley, DVM Dipl ACZM, Staff Veterinarian

  • Diplomate American College of Zoological Medicine
  • Veterinary Advisor, African Otter and Wyoming Toad SSP
  • Treasurer, American Association of Zoo Veterinarians
  • Chairperson, American College of Zoological Medicine Education Committee
  • Member, American Association of Zoo Veterinarians, American Veterinary Medical Association, Wildlife Disease Association
  • Peer Reviewer, Journal of Zoo and Wildlife Medicine, Journal of Wildlife Diseases, Journal American Veterinary Medical Association

Mary Duncan, BVMS, Ph.D., Diplomate ACVP, MRCVS, Staff Pathologist

  • Diplomate American College of Veterinary Pathologists
  • Pathology Advisor, Okapi, Polar Bear  and Black Rhinoceros SSPs and Old World Monkey TAG Pathology Advisor
  • Member, Biomaterials Banking SAG, American Association of Zoo Veterinarians (AAZV), AAZV Education and Infectious Diseases Committees
  • Peer Reviewer, Journal of Herpetological Medicine and Surgery, Journal of Veterinary Diagnostic Investigation, Journal of Zoo and Wildlife Medicine, Veterinary Pathology, Zoo Biology 

Institute for Conservation Medicine

Sharon L. Deem, DVM, Ph.D., Dipl. ACZM, Director of Institute for ConservationMedicine

  • Veterinary Advisor, Jaguar SSP
  • Secretary, American College of Zoological Medicine (ACZM) Diplomate, American College of Zoological Medicine (ACZM) Member, American Association of Zoo Veterinarians (AAZV) Member, Association ofWildlife Veterinarians (AAWV) Member,Wildlife Disease Association (WDA)
  • Member, Society for Conservation Biology (SCB), The Wildlife Society, Wildlife Health Specialist Group and The World Conservation Union (IUCN)
  • Associate Editor, Journal of Zoo andWildlife Medicine

Education Department

Louise Bradshaw, Director of Education

  • Member, AZA Research and Technology Committee Advisor, AZA Conservation Education Committee Member, AZA Climate Change Task Force
  • Member, AZA Green Practices Advisory Group
  • Member, AZA Graphics Advisory Group
  • Member,Whitney R. HarrisWorld Ecology Center Council
  • Advisory Board, School of Natural Resources, University of Missouri-Columbia
  • Member, International Zoo Educators Association Member/ Advisor, Academy of Science of St. Louis Member, Sustainable Schools St. Louis
  • Member, Conservation Psychology Association
  • Member, North American Environmental Education Association
  • Member, National Network for Ocean and Climate Change Interpretation

Facilities Management

David F. McGuire, A.I.A., William Bernoudy Vice President of Architecture & Planning

  • Member, USGBC and LEED Green Associate and Green SAG
  • Member and Past President, Aquarium and Zoo Facilities Association
  • Editor, Connect "Green Tales"