Our Team

ReefDoctor was founded by Roderick Stein-Rostaing and Daniel Presman in July 2000. The ReefDoctor team is made up of International and Malagasy staff who are professionals in their respective fields and local Malagasy from villages within the Bay of Ranobe.




RoderickRoderick Stein-Rostaing


Reef Doctor’s co-founder Roderick has a BSc in Marine Biology from Swansea University. He is a PADI Dive Master and has worked previously on reef conservation projects in the Philippines and as a divemaster in the Whitsunday Islands, Australia.

Roderick set up ReefDoctor in 2001 and ran the project in-country until early 2008. He is now the managing director based in the UK and is responsible for running the company’s UK-based operations and administration. He also oversees the volunteer and intern programmes, marketing and staff recruitment.


RobertRobert Stein-Rostaing


Robert has been a strong supporter of ReefDoctor since its inception and became a director in 2004. He comes from a background in the technology industry where, as an entrepreneur, he built and sold his first company by the age of 24. Robert has a Geography Degree from King’s, London, is a PADI Advanced diver, and an active member and ambassador for the Royal Geographical Society. He currently lives in Australia working as a property developer. He is also Executive Director of ‘Culture College’, a foundation that facilitates the cultural exchange between Australian school children and the aboriginal communities of Northern Australia.


shaneShane M Abeare


Shane joined the company in late 2009 becoming the managing director of ReefDoctor in Madagascar in 2010. Shane is responsible for running the company’s in-country operations and administration as well as providing direct leadership to the company’s multi-national team and in the undertaking of the company’s objectives and projects in Madagascar. He is currently based at ReefDoctor’s new base in the capital, Antananarivo.

Shane is a PhD student in the Department of Earth and Environmental Sciences at the University of New Orleans. He earned a BSc in biology (chemistry minor), from the University of Michigan, an MSc in African Mammalogy at the University of Pretoria, South Africa, and another MSc in Oceanography and Coastal Science (statistics minor) at Louisiana State University. Shane has assisted/led wildlife research projects all over the world, working on subjects as diverse as fungi in the Amazon, bats in Papua New Guinea and Australia, buffalo and Great White sharks in South Africa, and grizzly bears in the American West. In addition to field research skills, Shane brings to RD his experience in protected area management and sustainable development gained while a Peace Corps volunteer in Togo, West Africa, then as national park manager in Togo, and while working in the management of a national park in the Republic of the Congo. For his PhD research, Shane will be addressing coastal fisheries management issues in the Bay of Ranobe, Madagascar. In particular, he will be assessing the state/productivity of the artisanal coral reef fisheries, and the role of seagrass and mangrove habitats in reef fish population dynamics. Shane is also project supervisor for the new ReefDoctor and Darwin Initiative project which focuses on the conservation and sustainable use of marine turtles in the Bay of Ranobe Southwest Madagascar through the development and implementation of alternative livelihood strategies.


EmmaEmma Gibbons


Emma has been with ReefDoctor since 2004 (fulfilling the positions of Science Officer and Head Science Officer), during which she has gained the experience, tools and resources to become a specialist in the field of marine research, project management and community development. These skills provided her with the ability to develop long-term strategies for tangible poverty alleviation and ecosystem conservation to benefit coastal communities and safeguard biodiversity of the region. She now provides direct leadership to ReefDoctor team on-site and oversees all ReefDoctor projects.

Emma is also responsible for managing the ReefDoctor Fano project (turtle research and awareness) and the local Turtle Protection Association FIMPAMIFA. She is also project coordinator for the new ReefDoctor and Darwin Initiative project where she directly manages the development and implementation of alternative livelihood strategies (sea cucumber mariculture and algal farming).


DannyDaniel Presman


Co-founder of ReefDoctor Daniel sadly passed away in 2004. He will surely be missed by his friends, family, the ReefDoctor team and the local community he helped. His memory lives on in the work of ReefDoctor, in particular the reef restoration programme which he worked passionately on to implement.


Project Management


ChristinaChristina Tsima

Administration and Personnel Manager


Originally from Tamatave, Christina initially came to ReefDoctor to work with the primary school teachers in Ifaty and to develop ReefDoctor’s marine and environmental curriculum. Christina is now responsible for ReefDoctor’s administration. She has previously been involved with the running of the family planning clinic at ReefDoctor and the women’s association FIVETAMI, helping to develop future business projects and teaching embroidery. She has also helped to promote various issues in the village including workshops on AIDS, family planning and health and hygiene practices. She is currently based at ReefDoctor’s new base in the capital, Antananarivo.


PierrotPierrot Maharavo



Pierrot is ReefDoctor’s on-site accountant and organizes the resupply for camp and project operations.



RinahRinah Rakotondrazaka

Volunteer Coordinator


Rinah joined ReefDoctor in April 2014. She is responsible for coordinating volunteer activities and runs ReefDoctor’s bi-weekly Kids Club. She helps with the translation of internal and external ReefDoctor documents and educational material. Rinah is also the leader of the ‘Junior ReefDoctor’ programme.


Science Team


RoyaRoya Eshragh

Head Science Officer


Roya is a Michigan, USA native coming to ReefDoctor from Vancouver, Canada. She received her B.S. Zoology with a concentration in Marine Biology from Michigan State University in 2009. In 2013, she earned her MSc in Zoology from the University of Birtish Columbia. She has worked with lemurs, fish, lizards, birds, mussels, cephalopods and parasites, but is a specialist in Invertebrate Ecology and Parasitology. She has loved the oceans from as early as she can remember and loves to share her nerdy passions with the volunteers and interns that come through the program.


ApolineApolline Mercier

Science Officer


Apolline has a BSc in Nature Administration and Protection. She joined ReefDoctor as a Research Assistant and Dive Master intern in January 2015 and was promoted to Science Officer in July 2015. Apolline was recently provided an exciting opportunity to temporarily take time out from ReefDoctor to complete CetaMada volunteer training on whale monitoring in Ille Saint Marie, on the east coast of Madagascar. Between July and September she will be based at one of ReefDoctor’s neighboring hotels, where she will work as a whale watching guide to tourists and collect data for CetaMada. Following this period, Apolline will be welcomed back as a Science Officer at ReefDoctor.


StineStine Lindholm Andersen

Science Officer


Stine comes from a horticultural background. She spent a year in Australia as a part of her horticulture education. When she returned to Denmark, she completed her studies and decided to do some volunteer work. With a great interest for diving and the marine environment she found Reef Doctor a good fit for her. She joined Reef Doctor as a Research Assistant and Dive Master intern in January 2015. Following completion of her internship in July 2015, she was promoted to a Science Officer in July 2015.


Dive Officers & Science Support


simon & tracyTracy Allen and Simon Watkins

American & British

Tracy is from the United States, where she completed a degree in Biology and developed an interest in diving through her work with a University marine turtle conservation program in 2007.

In 2011, Simon left England and his position as a research chemist and after his experiences with GVI and Green Fins decided to turn his hobby of diving into a new career.
The following year they crossed paths at ReefCI, a marine conservation organization in Belize, where they would spend the next two years and ultimately celebrate their marriage.
Currently both PADI Staff Instructors, they joined the ReefDoctor team in January 2015 and are not only looking forward to training this year’s volunteers and interns but are also excited to be leading ReefDoctor’s coral reef restoration project.

Aquaculture & Fisheries Staff


CaleCale Golding

Senior Aquaculture Scientist & Project Manager


Cale studied Marine Science at the University of Sydney, Australia. It was during these studies that he came to appreciate the immense strain being place on marine ecosystems. Upon graduation he entered work in the aquaculture industry, seeking to alleviate pressure on natural fisheries through seaweed farming. After four years in the aquaculture industry, Cale returned to university earning his master degree in Tropical Ecology and Conservation from James Cook University. After a short stint of working at the Australian Institute of Marine Science, Cale joined ReefDoctor to work on the Darwin Initiative-funded alternative livelihoods programme, combining his aquaculture experience with his passion for marine conservation.


LivaLivatiana Ramanjehimanana

Community Aquaculture Technician & Socioeconomic Officer


Liva gained an MSc in Applied Oceanology from the IH.SM, Toliara. Following this, he worked as a marine ecotoxicology and pollution research assistant at the Institut Halieutique et des Sciences Marines IH.SM. Liva joined ReefDoctor as a Community Aquaculture Technician & Socioeconomic Officer in 2014. He is responsible for coordinating the installation of seaweed and sea cucumber aquaculture systems, monitoring aquaculture productivity, organising community meetings and conducting poverty surveys. He is also trained to tagged turtles as part of the ReefDoctor Fano project.


JivanJivan Vidjay Kumar

Community Aquaculture Technician & Socioeconomic Officer


Jivan has an MSc in Geology from the University of Toilara. With previous experience in the SW Madagascar aquaculture industry, he joined ReefDoctor as a Community Aquaculture Technician & Socioeconomic Officer in 2014. He works alongside Liva to coordinate the installation of seaweed and sea cucumber aquaculture systems, monitor aquaculture productivity, organise community meetings and conduct poverty surveys. He is also trained in turtle tagging for the ReefDoctor Fano project.


PepinPepin Emmanuel

Fisheries Assessment Officer & Aquaculture Support


Pepin has worked for ReefDoctor since 2007. He previous positions include boat driver and Science Officer. He is now responsible for the monthly fisheries assessments which are conduct at four fishing villages in the bay. He also provides valuable technical support to the aquaculture team.


FranciosFrançois Mima

Fisheries Assessment Officer & Aquaculture Support


François joined ReefDoctor in 2012 to conduct monthly fisheries assessments at four fishing villages in the bay. He now also provides valuable technical support to the aquaculture programme.



Aquaculture Technical Support






Malagasy Support Team



Boat Driver






Head Chef






Assistant Chef





Kitchen Support





Camp Support





Maintenance staff




Jean FidelJean Fidel

Maintenance staff




















Day Guardian for ISHM land





External Scientific Consultants


VivDr Vivienne Stein-Rostaing, PhD


Viv holds a BSc (Hons) in Marine Biology and a MSc in Tropical Coastal Management from Newcastle University. She completed her PhD, researching the effects of ocean acidification on marine ecosystems, at Plymouth University in 2012. Viv has previously worked as a science officer at ReefDoctor in 2008 and 2012. She has also gained marine research experience from a variety of other locations around the world such as Honduras, Thailand, Seychelles, South Africa and North Madagascar. She is currently based in the UK where she acts as a research support officer to the Reef Doctor program.


Maria CampbellMaria Campbell


Maria is a fisheries research PhD student at Plymouth University. She currently acts as a marine research, marketing and NGO funding consultant for ReefDoctor.




Communication Officers


SandraSandra Spethmann


Sandra has been with ReefDoctor as Communication Officer since 2014. Sandra holds a degree in International Business and Marketing. In high school, she already started to work on projects of German Red Cross Youth. During her time at university, Sandra got the chance to learn how to encourage young people to volunteer for children associations in South Africa. This stay inspired her to help ReefDoctor as volunteer with marine conservation and sexual education for women in 2012. Shortly afterwards, she moved to France to expand her professional knowledge in project management and communications. Today, Sandra is in charge of improving ReefDoctor’s communications and social media outreach.


CharlotteCharlotte Nodwell


Charlotte, a dedicated ex-Reef Doctor intern, is based in the UK where she volunteers in her spare time to promote the work of ReefDoctor through social media and to assist in a variety of UK-based ReefDoctor operations.