Cullen K. Geiselman holds a BA in Environmental Science and Policy from Duke University and an MA and PhD in Ecology and Evolutionary Biology from Columbia University. Her research focuses on seed dispersal and pollination by bats and she has coauthored a book with botanists from the New York Botanical Garden entitled Seed Dispersal by Bats in the Neotropics.

In addition to her bat research, she works with her family on business matters and philanthropy and chairs the board of the Cullen Trust for Health Care, a support organization funding healthcare related initiatives in the Greater Houston area.

In addition to Bat Conservation International, she serves on the Board of Directors of the Houston Zoo, the Houston Arboretum and Nature Center, the Houston Parks Board, the Houston Advanced Research Center, and the Blaffer Art Museum at University of Houston. She also volunteers her time with National Park Conservation Association and the Menil Collection.

Partner in the law firm of Nossaman LLP; served with the Ford Foundation in Brazil, as counsel to the U.S. Senate Committee on Energy and Natural Resources, as Deputy Under Secretary of the Department of the Interior, and as a member of Interior Secretary Salazar’s Federal Wind Turbine [Wildlife] Guidelines Advisory Committee.

A specialty in his practice is Federal wildlife law, including the Endangered Species Act, Migratory Bird Treaty Act, and Bald and Golden Eagle Protection Act.

Also serves on the boards of national, regional, and local land trusts. Education:  Princeton (BA), Yale Law School (JD), Fulbright scholarship to Aligarh Muslim University, India.

Andrew Marcus leads the Data Center Solutions and Technology Management Group within Transwestern. Having recognized a service line gap Andrew has assembled a unique combination of real estate, critical infrastructure and technical consultants who are actively assisting customers in the evaluation of the current state of their data center environments and guiding them in the planning and execution of their future needs.

This group features former executives from some of the largest global enterprise-class service providers in the Data Center Marketplace such as CyrusOne, Equinix, Digital Realty, Latisys and QTS. Transwestern’s consultants provide a unique understanding of the marketplace to its clients with unmatched expertise in the Data Center Market Place

Chief Executive Officer of Five Stone Capital, L.P. and is the founding Managing Director and the Chief
Executive Officer of Kenmont Capital, LP. Mr. Kendall received an A.B. degree from Hamilton College and an M.B.A. with high honors from The Amos Tuck School of Business Administration at Dartmouth College.

He was a Tuck Scholar and a recipient of the W. M. Bollenbach, Jr. Fellowship. Mr. Kendall has served as a Trustee of Hamilton College (and as a member of its Investment Committee), on the Board of Overseers of The Amos Tuck School of Business Administration at Dartmouth College, and a board member of American Midstream Partners LP, Solar City, Stream Energy, Tangent Energy, Earthwatch Institute, The Houston Zoo, The Jane Goodall Institute and The Prospect Park Alliance.

Professor of global environmental politics, Brandeis University and the Fletcher School at Tufts University; former board member of Yellowstone to Yukon Conservation Initiative (co-chair) and Root Capital; author, Conservation Across Borders: Biodiversity in an Interdependent World (Island Press 2006) and co-editor, Conservation & Climate Change: Landscape and Seascape Science, Planning and Action (Island Press 2012); previous consultant for the Union of Concerned scientists and the Henry P. Kendall Foundation; previously served on the board of Bat Conservation International and was recently re-elected.

Dr. Andrew Sansom is one of Texas’ leading conservationists. He is a former Executive Director of the Texas Parks and Wildlife Department and Executive Director of the Texas Nature Conservancy. For his commitment to the management and protection of natural resources, he is a recipient of the Chevron Conservation Award, The Chuck Yeager Award from the National Fish and Wildlife Foundation, The Pugsley Medal from the National Park Foundation, the Seton Award from the International Association of Fish and Wildlife Agencies and the Lifetime Achievement Award from the Nature Conservancy. Dr. Sansom is a Distinguished Alumnus of Austin College, and Texas Tech University. Under his leadership at the Texas Parks and Wildlife Department, Dr. Sansom spearheaded a number of significant programs, including:

• Founding the Texas Parks and Wildlife Foundation which has raised over $150 million for conservation in Texas to date.

• Adding over 500,000 acres to the State Parks and Wildlife Management Areas.

His published works have appeared in Texas Monthly, The Texas Observer, Houston City Magazine, Politics Today, Texas Highways, Texas Parks and Wildlife and Texas Town and City. He is the author of eight books, Texas Lost, Texas Past, Scout the Christmas Dog, Water In Texas and Southern Plains Bison, Resurrection of the Lost Texas Herd, After Ike, Of Texas Rivers and Texas Art and Seasons of Selah.

Andrew Sansom now serves as Professor of Practice in Geography and is founder of The Meadows Center for Water and the Environment at Texas State University.

Curator-in-Charge of the Department of Mammalogy and Professor in the Richard Guilder Graduate School at the American Museum of Natural History. Dr. Simmons is an expert in taxonomy and systematics of bats. Author of the authoritative “Chiroptera” chapter in Mammal Species of the World, she maintains an ever-updated list of valid bat species of the world including their geographic ranges and recognized subspecies.

Dr. Simmons has authored numerous papers on bat phylogenetics and evolution, and in 2008 she was awarded the Gerrit S. Miller Award from the North American Society for Bat Research for outstanding contributions in the field of chiropteran biology. She is a member of the Steering Committee for the Southeast Asian Bat Conservation Research Unit (SEABCRU), and is also a member of IUCN Bat Specialist Group of Species Survival Commission.

Vice President for Field Conservation Programs, Wildlife Conservation Society (WCS). Overseas WCS’s regional programs in Africa, Asia, Latin America and Caribbean, North America, as well as the Marine Program and the Wildlife Health & Health Policy Program.

Worked for the past two decades in Southeast Asia and Central Africa building conservation initiatives; helped discover new species in Indochina and initiated conservation projects for bats and their habitats.

A species of tube-nosed bat was named Murina walstonii in recognition of his bat-conservation efforts. In the 1990’s received a small grant from BCI to initiate bat conservation in Cambodia.

Originally from San Antonio, George "Timo" Hixon grew up on his family ranches in South Texas and Idaho, becoming familiar with the land and the workings of a ranch. This upbringing instilled both a respect for the land and a solid foundation of ranching knowledge that eventually led him to ranch real estate in 2006.

Timo serves on the Boards of the San Antonio Zoo, Texas Wildlife Association and the Texas Biomedical Research Institute's Founder's Council. He is Vice President of the Texas Wildlife Association Foundation and served on both the Bat Conservation International`s Bracken Cave Advisory Committee and The Nueces Estuary Advisory Council.

Timo is a member of The Order of the Alamo and the San Antonio German Club. When not selling ranch properties, Timo is usually found on the ranch sharing his knowledge with his children. He enjoys hunting and fishing, as well as travel, snowboarding, scuba diving and piloting his own aircraft.

Eileen is a senior executive who is expert at utilizing the marketing mix to achieve desired business results, especially in the areas of market growth and expansion. Her background encompasses senior executive positions in marketing, sales, and operations in a variety of dynamic and transitioning industries such as advertising, telecommunications, entertainment, energy and the Internet.

A native of San Francisco, Eileen is a graduate of the Harvard Business School and their executive management program and holds a Bachelor of Science Degree from the University of San Francisco.