Our Team

Abigail Alling

Founder & President

For the past 35 years, ‘Gaie’ has been actively engaged in marine conservation and environmental projects. She received a Masters of Science degree from Yale University and was the former Director of Marine Ecological Systems for the ‘Biosphere 2’ project and Director of Research during the 1991-1993 experiment.


Abigail Alling CV


Mark Van Thillo

Mark “Laser” Van Thillo

Chief Operations Officer & Captain of sailing vessel Mir

During the past two decades ‘Laser’ has managed all logistic and technical aspects of BF’s projects. He was the former co-Captain and Manager of Technical Systems for the ‘Biosphere 2’ project.


Mark Van Thillo CV

Sally Silverstone

Chief Financial Officer & Director of Agriculture & Forestry
Sally has worked in the field of conservation research and education for 36 years. She currently lives in NW Bali where she is also the Coordinator for our Biosphere Stewardship Education Programs. She was the former co-Captain and Manager of Agriculture & Food Systems for the ‘Biosphere 2 project.’


Sally Silverstone CV


Kitty Currier

Research Associate

Kitty is a Doctoral student in Geography at the University of California, Santa Barbara. She works with Biosphere Foundation to use GIS in community-based watershed and coastal management planning.



Christopher Image

Christopher Dolphin

Officer, Sailing Vessel Mir

Christopher is Mir’s First Mate and Bosun. He is also a musician and composer with a production studio on Mir that collaborates with Studio of the Sea to produce mini-films. Christopher graduated from Fort Lewis College in Colorado with a Performing Arts Degree. 


Adrien Dyamantha

Development & Marketing Coordinator for Biosphere Stewardship Educational Programs, Jakarta

Adrien is the co-founder of Biosfir Indonesia. She lives in Jakarta where she is a mom and our Indonesian partner for developing biosphere stewardship programs in NW Bali for teenagers.



Emerald Starr

Wastewater Gardens® (WWG)

Emerald has been working with Biosphere Foundation in Bali since 1997 and has designed and installed WWG systems in numerous Indonesian locations.


Sandra Cline

Administrative Director

Sandra has transitioned from a successful career in radio broadcasting to that of freelance writer. Sandy is the author of “Pug Sheridan”, a critically-acclaimed novel. She is also the founder and executive editor of Dance of the Spirit.


Dr. Phil Dustan

Global Ecologist, Coral Reef Research Programs

Phil is a Professor of Biology, College of Charleston and works with the ‘Friends of Menjangan’ NW Bali Research & Conservation Programs.


 Biosphere Foundation Around the World


Ibu Nina Marliana

President, Biosfir Indonesia

Ibu Nina is the Founder & President Biosfir Indonesia, a Biosphere Foundation partner-organization based in the the Anambas Islands with whom we worked with on the Anambas Sea Turtle and Coral Reef Projects. 


Yves De Leeneer

Biosphere Foundation

Yves is the Founder & President of Biosphere Foundation LTD, a BF partner-organization based in Singapore.  He is a Naval Architect, Director of SEACULT, and Member of the Council of IMarEST (UK), representing the Asia-Pacific Division.


Carol Milner

Mir officer & Coral Reef Scientist

Carol is the Founder & President of Biosphere Association, a BF partner-organization based in the UK that has aligned with local organizations in Nepal to improve waste management and river conservation. She has a Masters of Environmental Science & Management from York University. 


Board of Directors

William G. Walker, Esq.
Chairman of the Board
Abigail K. Alling, M.S.
Nichole Baker
Sandra L. Cline
Yves De Leeneer
Sally E. Silverstone
Mark Van Thillo 
Cathy M. Ward
Hugh Wheir, DVM


“Never doubt that a small group of thoughtful, committed individuals can change the world.
Indeed, it’s the only thing that ever has”

– Margaret Mead