Ontario Nature Officers – Directors


KEVIN THOMASON has worked in the technology and marketing fields for Apple Computer, KPMG, Quarry Communications, and as the co-founder of a leading high-tech start-up recently acquired by Google. Back in 2004, concerned with rampant growth and the destruction of the Waterloo Moraine, Kevin volunteered full-time for three years to help develop a Greenbelt Plan and protect more than 10,000 acres of the most threatened and critical lands in Waterloo Region from development. Kevin continues to coach and mentor a number of technology startups, sits on the board of directors for several leading organizations, and pursues a variety of environmental initiatives locally and globally.


OTTO PETER has a degree in biology from the University of Western Ontario. He is past president of the Durham Region Field Naturalists and still serves as its program coordinator. He is currently the president of the Thickson’s Woods Land Trust, which owns almost 12 hectares of woods and meadow on the Lake Ontario shoreline in Whitby preserving it from being used for industry. Otto played a key role in preserving the Second Marsh Wildlife Area, and as a former employee with General Motors, GM's McLaughlin Bay Wildlife Preserve. Otto volunteered for the Atlas of the Breeding Birds of Ontario and participates in the Oshawa and Pickering Christmas Bird Counts and in the Oshawa butterfly and summer bird counts. Otto and his wife Diane are enthusiastic world travelers, usually visiting places where they can enjoy their favourite hobby – bird-watching.

Past President

ANGELA MARTIN and her husband own and operate a resort on Lake Nipissing. Angela’s commitment to nature inspired her to set up and lead a local group to develop the Mashkinonje Provincial Park, which is adjacent to her property. The charitable organization has built 35 kilometres of hiking trails, a 600-metre wheelchair accessible trail, more than a kilometre of hardened trails, two 100-metre boardwalks, three parking lots, interpretive and trailhead signage, a trail map and much more. Angela was president of Nipissing Naturalists Club for eight of its most successful years. Her legacy is the field guide, Species at Risk in the Lake Nipissing Watershed.

Secretary /Treasurer

THOMAS (TED) CRICHTON is a retired IT professional who has worked in the IT industry for 40 years. He worked at both Texaco Canada and the Bank of Nova Scotia, each for 20 years. As a ITIL certified practitioner in service management, Ted has had a varied career, including, operations; system programming; consulting; project management; acquisitions, vendor negotiations; service management; service level agreements; and reviewing and the writing of IT contracts. He has served on the executive of The Hillcrest Tennis Club, The North York Tennis Association, the Milliken Mills Softball Association and the Durham Region Field Naturalists. Ted and his wife Linda have two sons and now live in Oshawa. They are avid birders and can be seen at the many birding spots throughout Durham Region.

Regional Directors

Carolinian West ANITA CAVENEY

Nature London

Anita holds a degree in biology from the University of the Witwatersrand, Johannesburg, South Africa. Her life-long love of nature was nurtured during her childhood and adolescence in South Africa. She moved to England and worked as a senior technologist in the Forestry Department at Oxford University, UK, until emigrating to Canada. Anita graduated as a medical laboratory technologist from Fanshawe College, London, Ontario and worked as a laboratory technologist in the department of medicine at Western University. Now retired, she and her husband Stan, a professor emeritus in the Biology Department at Western University, own a 42-hectare conservation property in West Elgin. Anita is a past president of Nature London and serves on Nature London’s conservation action committee. She participated in the 2001-2005 Atlas of the Breeding Birds of Ontario surveys and participates in the annual Christmas Bird Count, the Skunk’s Misery (Middlesex) and Clear Creek (Chatham-Kent) butterfly censuses, and bioblitzes for the Elgin Natural Heritage Inventory. She enjoys a hobby as a watercolour artist.

Carolinian East – RON CORKUM

South Peel Naturalists’ club

Ron holds a master’s degree in chemistry from the University of Ottawa and is a retired environmental chemist. He is a long-time member of Ontario Nature with a keen interest in conservation issues. Ron has been a regular volunteer at the Toronto office of Ontario Nature since 2014. Ron is currently a board member with South Peel Naturalists’ club. He is a resident of Mississauga. Ron is a life-long nature enthusiast and enjoys camping, hiking, wilderness canoeing and running.

Great Lakes West PETER KELLY

Nature Guelph

Peter lives in Guelph and is currently a member of the Nature Guelph executive having served as president from 2011 – 2014. He earned an honours B.Sc. and M.Sc. in physical geography from the University of Western Ontario and spent twenty years at the University of Guelph studying the ecology of the ancient cliff-face forests of the Niagara Escarpment and co-authored three books on the topic. He also served as the first research director of the rare Charitable Research Reserve in Cambridge and as executive director of the North American Native Plant Society. He is an avid photographer, traveler and active volunteer with several organizations.


Brereton Field Naturalists Club

Dorothy has a bachelor of science degree from the University of Guelph and an accounting diploma from Lambton College. She has spent most of her career with Bell Canada in accounting. As a child, family vacations were spent camping, canoeing and hiking. Dorothy is an active volunteer in Barrie and Simcoe County which includes involvement with Huronia Symphony Orchestra, Simcoe County Historic Association and Barrie Newcomers club as well as being on the board of the Brereton Field Naturalists Club (BFNC) as its Ontario Nature representative. She was a negotiator in a new partnership for the Barrie Creeks Projects amongst BFNC, Lake Simcoe Regional Conservation Authority and Living Green Barrie, She is also a member of several other local conservation organizations and is a Tiny Marsh monitor. While hiking with family, Dorothy enjoys encouraging people she meets to join nature groups.

Ontario East CATHY KEDDY

Mississippi Valley Field Naturalists

Cathy carried out her M.Sc. studies in plant ecology at Dalhousie University, and during that time, co-founded the Halifax Field Naturalists. She then spent more than 25 years as a consulting ecologist on projects from the Yukon to Nova Scotia. During an eight-year term in Louisiana, she became one of the founding directors of the Land Trust for Louisiana. She survived a watchful alligator in her backyard bayou and Hurricane. Cathy was recruited as program chair by the Mississippi Valley Field Naturalists upon returning to Ontario. For six years she was active with the group’s environmental issues committee, overseeing receipt of charitable status and establishing a highly successful annual banquet. She also shares her expertise with the Mississippi Madawaska Land Trust. Cathy lives with her husband in the woods of Lanark County, surrounded by an ecologist’s dream of forest, bears and fishers.

Lake Ontario NorthOTTO PETER

Durham Region Field Naturalists, Thickson’s Woods Land Trust

Please see Otto's biography in vice-president.


Sudbury Naturalist Club

Franco holds a degree in biology from Laurentian University in Sudbury. He is a founding and active member of the Sudbury Naturalist club since 1980. Franco has been a staff scientist with Science North since 1982 and his primary interest is in animal behaviour and ecology. He is passionate about communicating natural history, and as an avid naturalist and world traveler, he has traveled extensively in North and South America, from the High Arctic to Tierra del Fuego, and elsewhere. During the past 28 years in the science center business, Franco has led the development of, and contributed to many science galleries, exhibits, large-scale traveling exhibits, events, projects and shows for Science North and external clients.

Northern West Vacant


Directors at large

JOANNE BROWN began a career in financial services after graduating from Trent University, and has enjoyed various roles from Business Analyst in corporate finance to Performance Consultant in global risk management. Joanne currently has her own consulting firm and specializes in strategic learning and development initiatives. Joanne has lived most of her life in Oshawa/Whitby and has been actively involved in those communities with various not-for-profit organizations such as Durham Community Foundation, YWCA, and Friends of Second Marsh. She has been a concerned environmentalist for many years and is pleased to bring her passion and energy to Ontario Nature and looks forward to collaborating with volunteers and staff to support the excellent work that Ontario Nature engages in.

LESLEY LEWIS immigrated to Canada from South Africa 33 years ago. She has worked as an administrator at the University of Toronto for most of those years, and currently is Assistant Dean (Academic) at University of Toronto Scarborough. Her early childhood was spent on a beautiful farm in the foothills of Drakensberg, where the seeds of her life-long passion for nature germinated and grew strong. Canada has offered a cornucopia of opportunities for Lesley to enjoy nature - she has hiked the Canol Trail in North West Territories and many parts of the Bruce Trail, canoed the Barron, French, Liard, MacKenzie, Nelson, and Tatachikapika Rivers, Lake Nipissing and the lakes in Algonquin Park and around Temagami, and sailed and kayaked in Georgian Bay. For several years she volunteered with the City of Toronto on land restoration projects in the Brick Works, spent two summers as a Volunteer for Nature, and has participated in several Bird Counts in Toronto. Now, she lives on a small property in Grey County, and has started a naturalization project there and participates in the Backyard Bird Count.

ANDREW REEVES is an award-winning environmental journalist based in Toronto. In addition to his work with Ontario Nature, Andrew is also a contributing editor at Alternatives Journal and an environmental columnist for This Magazine. Andrew is currently writing a book about Asian carp in North America as part of the master of fine art in creative nonfiction program at King's College in Halifax.

TINA ROSENSTEIN has worked as a marketing consultant for the past 25 years and started her own firm, Rosenstein Marketing, 12 years ago. Tina is extremely interested in the environment, sustainability and climate change. She is intent on helping children become more engaged in nature and enjoy all the beautiful surroundings that Ontario has to offer. Tina lives in Toronto with her husband and two children.

CASEY RICHARDSON-SCOTT is a lawyer at Blake, Cassels & Gordon LLP in Toronto, specializing in the area of tax law. A portion of her practice is devoted to assisting charities with obtaining and maintaining registered charity status. Casey obtained her bachelor of arts (Hons.) from the University of King's College in Halifax and her juris doctor (J.D.) from the University of Western Ontario. She currently is a member of the board of directors of Students Offering Support, a charity that fosters educational initiatives both in Canada and Latin America. Casey's appreciation of nature began at a young age, having the opportunity to spend her summers on canoe trips in northern Ontario. Starting with a 2 day canoe trip at the age of 8, Casey worked her way up to leading canoe trips between 20 and 50 days, traversing over 1,000 km through Ontario and Quebec. She has also lived and volunteered at an ecological reserve in the Andean cloud forest in Ecuador. Casey is currently a member of the Toronto Field Naturalists, and has recently been introduced to the world of bird watching. In her spare time, she loves to get outdoors for a hike or a paddle.

JANICE WRIGHT is a lawyer and has practiced law as a civil litigator for over 20 years. After working at several major Toronto law firms, Janice started her own firm in 2013, Wright Temelini LLP. Janice thrives in the outdoors, and is committed to the preservation of natural spaces and habitat. Some of her earliest childhood memories are about time spent as a family on canoe trips. Janice is a staunch believer in the preservation of public spaces for the long term well-being of people and wildlife alike. When a private golf course was proposed in an area of natural preserve, Janice worked with others in the community to oppose its development. Janice recently completed the directors education program at the Institute of Corporate Directors and Rotman School of Management, University of Toronto. She is an avid traveler and especially likes going to places where there are vast open spaces and wild habitat. She has trekked in the Rwenzoris, mountain biked in Oaxaca and will ski just about anywhere.

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