The Team at RiverStone

With a diversified team of ecologists, RiverStone Environmental is leading the way in delivering a diverse range of services, knowledge, and insight to clients across seven core sectors. Each member of the RiverStone team has a commitment to delivering the very best technical advice and client experience.

Al Shaw, M.Sc.

Senior Ecologist/Principal

Al is a project manager providing expertise in environmental planning related to property development, ecological assessments, and water quality monitoring. He has more than 20 years of experience as an environmental consultant working on behalf of public and private sector clients for small work programs and as a member of multi-disciplinary teams on large multi-million dollar projects. (more…)

Bev Wicks, Ph.D.

Senior Ecologist/Principal

Bev was born and raised in Muskoka, has 10 years of academic training and over 20 years of applied experience as an aquatic ecologist. She is involved in all aspects of her projects including project management, completion of ecological inventories, detailing site specific opportunities and constraints, development of practical solutions to issues encountered, report writing, and attendance at meetings and hearings. Bev has completed the MTO/MNR/DFO Fisheries Training and is familiar with the agencies’ requirements to secure necessary fisheries approvals. (more…)

Kevin D. Trimble

Senior Advisor

Kevin is a senior ecologist with more than 30 years of experience in the construction materials industry. He has participated in many licensing, permitting and rehabilitation projects and specializes in the integration of the physical (e.g. water resources) and biological sciences. Kevin has directed a wide range of multi-disciplinary projects, and also has extensive experience with Species at Risk, the Fisheries Act, expert testimony, monitoring, Environmental Assessment and construction.
Kevin has assisted the Ontario Sand, Stone, and Gravel Association (OSSGA) on number of regulatory and policy positions and recently participated in the cumulative impact study in the Carden Plain. (more…)

Glenn Cunnington, Ph.D.

Senior Ecologist/Species at Risk Specialist

Glenn is experienced in providing pragmatic solutions for managing and mitigating the impacts of development projects on the natural environment. He provides expertise in wildlife and vegetation surveys, identification and mapping of Species at Risk habitat, and provincial and federal permitting. Glenn’s projects regularly include due aggregate and infrastructure development, diligence studies, literature and peer reviews, habitat assessments, and the development and assessment of mitigation measures for Species at Risk. (more…)

Craig Mann, H.BSc.F, Dipl. IFRM


Craig has over 15 years of experience in conducting inventories, interpretation and management of the natural environment. This experience has led to a strong understanding of ecological principles and approaches. Through a broad range of education and work experiences that include development and transportation projects, Craig has performed a diverse range of data collection tasks that includes vegetation inventories, wildlife and species at risk surveys, habitat mapping, wetland delineations and fish habitat assessments. Craig is certified in Southern Ontario Ecological Land Classification (ELC), Provincial ELC, Ontario Wetland Evaluation Systems (OWES), and is also an ISA-certified Arborist.


Joel Gauthier, Aqua. Tech., M.E.T.

GIS/Environmental Technician

Joel has a long history volunteering with environmental restoration projects. From his youth, with the Credit River Pollution Probe in the70’s and 80’s, to Beaver River enhancement projects in conjunction with the MNR in the 80’s and 90’s. He has volunteered his time in British Columbia for the Campbell River Salmon Enhancement and Quadra Island Stewardship Society’s Stream Enhancement programs. As an Aquaculture Technician, Joel maintained hatchery operations involving salmonids and managed a private hatchery operating a put-and-take Walleye fishery in northern Ontario. (more…)

Jenn LeMesurier, HBES


Jenn has a background in environmental education and land conservation as well as training in project management and communications. She has experience with collecting and compiling field data and writing property management plans and working on shoreline restoration projects. As a conservation land manager, Jenn has also monitored for invasive species and worked to protect habitat for species at risk. She specializes in outdoor education, land stewardship, botanical inventories and wildlife surveys.


Sandy Lelliott (L) and Sandy Watson (R)

Office Administrators

Sandy L and Sandy W are both highly skilled office managers with accounting experience spanning over forty years. They both act as receptionists at our Bracebridge office and take care of all bookkeeping and administrative components of our projects.

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Austyn Wunsche

Summer Intern

Austyn is a Western University Integrated Engineering student currently going into her 3rd year. Austyn is working with our team to design and implement robotic equipment to aid in the location of bats species at risk in the Muskoka area and throughout Ontario. She is also participating in the implementation of a new software system for our ongoing and upcoming projects. (more…)