Our Staff

Stephanie Bush

Deputy Director of Halton Environmental Network

Stephanie rediscovered her passion for the environment and gained a new understanding of climate change during a period of study and self-reflection. With two young children and climate change concerns increasing, Stephanie left her career as a Social Worker to dedicate herself to taking action on climate with the goal of inspiring and guiding others to do the same. In 2019, she joined the Halton Environmental Network as the Program Manager for Greening Sacred Spaces – Halton-Peel.  As the current Deputy Director of HEN, Stephanie hopes to bring a social justice and equity lens to the issues of climate change and looks forward to engaging more people in the conversation.

Afreen Ghouse

Halton Environmental Network’s  Program Manager


Afreen obtained a B.Sc. in Biology, with a minor in Psychology. Afreen aspires to be an advocate for the younger generation and provide them with the voice & necessary tools for climate action change. Fiercely passionate in raising awareness for our deteriorating Earth, she is determined to motivate all who will listen to put on your eco-hat, and let us sprint together to create the universal change needed for a sustainable future. Utilizing her strength in creativity and event planning, she hopes to engage communities in an interactive way to promote this message and educate others. At HEN she led the 100 Debates on the Environment for 5 Halton ridings, aided in the Generation Green program for 200 students to create their own GHG reductive projects, ran the Pop-Up Clean-Ups program, and is in charge of volunteer management. Afreen also works at Green-PAC. 

Katrine Handley-Derry

Generation Green and Marketing Manager

Katrine Handley-Derry graduated from the University of Toronto with a master’s in environmental science, following undergraduate studies in Ecology and Film. Her passion is exploring how film can change people’s perceptions. Many of her experiences have involved engaging with the public in a number of ways: from being a Camp Director at Harbourfront, planning workshops to teach digital arts, to being part of the television show Daily Planet, bringing daily science programming to TV to spark the interest of children and adults alike. For the past 3 years, Katrine has worked for the Toronto International Film Festival on their Canada 150 project and then again in their Industry Services Department. At TIFF, she managed high demand periods, while striving to maintain excellent customer service. Katrine produces promotional videos and promotion material. With her passion for engaging audiences, she traveled and lived abroad, developing my language skills in both French and Spanish. Outside of her academic and professional career, she is a landscape painter.


Alicja Jazwiec

Food and Community Garden Animator
Alicja Jazwiec graduated from McMaster University as a Master of Science in Hydrogeology, after completing her undergraduate studies in Earth and Environmental Science. Currently, Alicja is completing her Bachelor of Education at Brock University. She hopes to combine her passions for the environment and the local community with her love for teaching. Alicja loves teaching the next generation about our local environment, sustainability best practices, and the steps we can take as a community to protect our shared environment. Her love for the environment translates into her personal life, where she enjoys spending time outdoors, hiking, reading, travelling, and of course, gardening.

Lisa Kohler

Executive Director

Lisa’s career in the environmental not-for-profit sector spans more than twenty years in the U.S. and Canada. Lisa has a degree in environmental policy and analysis and certification as an Accredited Partnership Broker. With a demonstrated history of working in the non-profit organization management industry. With internationally-recognized leadership for inspiring climate change initiatives, Lisa has an influential role in Halton. She is the orchestrator of the Halton Climate Collective, a dedicated team of leaders focused on advancing local action. In addition to engaging the community in climate mitigation and adaptation strategies, she champions successful HEN programs including Generation Green, Halton Food, Halton Green Screens, Oakville Ready, and Greening Sacred Spaces Halton-Peel Chapter. Lisa is skilled in collective facilitation, transitioning innovation and developing inter-relational strategies integrating climate action, environmental sustainability and the green economy.

Ms. Kohler serves on Community Energy Taskforce for the Town of Oakville, City of Burlington’s Climate Action Committee, The Low Carbon Transition Steering Committee and the Climate Change Resilience Steering Committee for the Town of Halton Hills, the Halton Equity and Diversity Roundtable, Halton District School Board’s Environmental Management Team, Green Communities Canada National Board of Directors, Chair of the Halton Region’s Natural Heritage Advisory Committee. For the last two years Ms Kohler has enjoyed being a member of the City of Toronto’s Urban Forestry Grant Review Panel. Lisa is the Climate Realty Regional Organizer for the GTHA West.

Atish Pereira

Development Manager

Atish Pereira graduated from the University of Toronto with a Master’s in Environmental Science following an undergrad degree in Honours Bachelor of Science in Environmental Science and Biology. His passions are hiking, gardening and learning about various flora and fauna species across this great country.  He is very passionate about current climate change challenges and excited about the vital role organizations such as Halton Environmental Network play in engaging local communities to combat these issues. He hopes to utilize his experience fundraising for the Peel Environmental Youth Alliance to secure diverse funding resources to support Halton Environmental Network's essential programs, ensuring long-term sustainability. 

Alyson Prokop

Community Garden Coordinator

Alyson has been with Halton Food since 2018, as Education Coordinator coordinating our community gardens in Burlington as well as developing and delivering programs for Burlington elementary and high school students and the community. Alyson's passion lies in local food production and strengthening our connection to growing food. With a BSc in Plant Biology, MSc Plant Pathology, as well as a Diploma in Outdoor Education Alyson has worked for certified organic farms and built a rich career as a botanical instructor and community garden coordinator the past 15 years. Alyson loves teaching others about the benefits of being able to grow their own food and make good food choices - especially through applied learning and you'll often find her in the garden with compost-encrusted hair, mud on her face and always with a cup of tea in hand.

Andrea Rowe

Director, Sustainable Environments


After leaving the corporate world to raise her two boys, Andrea rekindled an appreciation for nature from her childhood. In 2017, she joined the Halton Environmental Network in the Greening Sacred Spaces program, helping Faith Based Organizations reduce their environmental impact through greening initiatives. Additionally, as the Program Manager for Halton Food, HEN's newest program, she also supports community gardens and garden-based education throughout Halton Region. Recent projects have included implementing gardens at elementary and secondary schools, supporting food gardens and programming in Community Housing neighbourhoods, establishing Canoe Gardens and other pollinator gardens, and supporting social organizations' clients through garden based initiatives.  Andrea now also facilitates "Depave Paradise" projects throughout Halton, removing asphalt and pavement to create new pollinator gardens.


Helen Stephenson

Community Garden Coordinator

With nearly 200 square feet of vegetable gardens in her backyard, a certificate in Horticulture from the University of Guelph, and a degree in Biology from the University of Waterloo, Helen has extensive knowledge in sustainable urban agriculture. Helen joined Halton Food Council, now Halton Food, in 2017 but had been leading the Junior Gardening Program through the Oakville Horticultural Society for many years before that. Her program included lessons on vegetable growing, weeding, watering, harvesting as well as talks by experts on soil, bugs, milkweed and bees. She has also spent many years independently studying, identifying and growing species native to the Carolinian Region. She is committed to remaining up-to-date and involved with current trends in horticulture.When she isn’t gardening, Helen is actively involved with the sport of curling.

HEN Tech Developers

Caleb Wong

Caleb is a Grade 12 student at Iroquois Ridge High School who is looking to pursue a career in engineering.  Caleb is committed to investing in his community and improving the lives of those around him through leading his school’s Arts Council, being a part of Student Council, and training Grade 9s to compete in the DECA business competition.  Caleb also is a part of Tech Under 20 and organizes programs to educate youth across Ontario in tech, business, and entrepreneurship.  Outside of school, Caleb is an avid violin player and leads the Oakville Symphony Youth Orchestra as concertmaster.  Caleb is looking forward to combating climate change and making a positive environmental impact through working at the Halton Environmental Network.

Vivian Ren

Vivian is a Grade 12 student at Iroquois Ridge High School and is interested in pursuing a future career in business. At school, she has been involved in her school's Rotary Interact Club since Grade 9 and is honoured to be serving as the co-chair this year. Through this position, she hopes that she has been able to create positive change within her school and community, something especially important during these tough times. She has also served as a mentor for her school's DECA chapter the past two years, sharing her expertise gained from her own successes as a competitor; she is a 2x International qualifier and 2x Provincial Top Overall Score Winner. Outside of school, she enjoys playing music, hanging out with her friends, and spending time outside.

Calvin Zheng

Calvin Zheng is a Grade 12 student at Iroquois Ridge High School, very passionate about sharing his skills to contribute to his community. Calvin has high proficiency working with Python, JavaScript, HTML, CSS, Processing, and Swift. He is excited to use his skills to solve problems and gain experience in many coding projects. Outside of school, Calvin enjoys extracurriculars such as karate, soccer, competing in hackathons, and math and business competitions. Involved with many different community projects and constantly looking to make a positive impact within his community, Calvin has an extensive volunteering background doing everything from instructing at his local karate dojo to currently mentoring other high school students in a business competition. Incredibly excited to be making a positive difference in his community, Calvin is ready to use his skills while working with the Halton Environmental Network.
Canadian Summer Jobs (CSJ) 2020

Hamzah Algodi

Food and Community Gardener Animator

Born in the United Arab Emirates, Iraqi National, Hamzah Algodi was heartily welcomed to Milton's community in 2013. He learned at Hawthorne Village Public School before going to White Oaks Secondary School for the International Baccalaureate Diploma Programme. Now, he heads to Western University to earn a Bachelor of Health Sciences. Hamzah has always committed himself to working with and for the community, most recently volunteering for the Milton Liberal Youth Association. Hamzah has also been always involved with youth engagement; notably, he worked 4 years as a soccer coach for a U-10 team. Lastly, Hamzah loves gardening and the environment. Gardening is a strong part of his Iraqi culture! Now, working with Halton Food as a Community Garden Educational Assistant, he gets to combine those 3 passions into one! Hamzah has an outgoing personality and can communicate in English, Arabic and French.

Suha Khan

Halton Environmental Network Canada Summer Jobs (CSJ)
Environmental Education Consultant


Suha is currently pursuing a BSc ENV. in Environmental Science at the University of Guelph with hopes to major in Environmental Resource Management. Throughout her adolescence, she has had the privilege to partake in numerous opportunities such as facilitate youth-led charrettes for MP Damoff’s Youth Council as well as help plan and co-MC the Generation Green Youth Un-conference. Outside of this, Suha has also planned community-wide food and clothing drives for her high school, local community hubs and surrounding neighbourhoods. In her free time, she enjoys further developing her skills as a visual artist as well as an endurance runner. Suha is motivated to not only learn about the current climate crisis but to also take action to drive change in society in order to preserve our planet, and hopes today’s youth are as inspired as she is to implement innovative ideas to reduce the collective ecological footprint and save the world!

Dorian Knight

Halton Environmental Network Canada Summer Jobs (CSJ)
Waste Diversion Manager

Studying with a math and science focus at Thomas A. Blakelock high school, Dorian is committed to constantly innovating for a better future. Dorian has been incredibly involved in his community from a young age doing volunteer work for the Town of Oakville, the YMCA, Junior Optimist International, Tech Under 20 and even with the Halton Environmental Network just to name a few. Dorian wholeheartedly believes that to have a prosperous future, the paradigm of sustainability has to be a core focus. That’s why Dorian always strives to make a positive environmental impact however he can whether that’s by joining local school cleanups, helping to lead youth sustainability initiatives or by innovating his own solutions to solve tough environmental problems. As an incoming freshman to the Integrated Biomedical Engineering and Health Sciences program at McMaster University, Dorian is excited to put his passion into action and make a meaningful impact. 

Sophie Martin

Halton Environmental Network Canada Summer Jobs (CSJ)

Sophie Martin is currently completing a Bachelor of Health Sciences at Western University and has an interest in the intersection of environmental factors and population health and ethics. She has a vested interest in sustainable practices, more specifically, limiting the use of single use plastics and reducing carbon emissions. She has taken courses at Western that focus on the contributors and expected impacts of climate change as a way to further her knowledge on the topics. Sophie first became involved in community action against climate change in high school and has continued her involvement by running programs for members of the Western and greater London community through positions within clubs as well as through the Residence Life program. In her free time Sophie enjoys dancing with UWO Dance Force, trying new recipes, and amateur gardening, especially propagating houseplants. Sophie is excited to have the opportunity to work with the Halton Environmental Network on their expansion of the OakvilleReady program and further her knowledge relating to sustainability and supporting vulnerable populations.

Nicolas Noblecilla

Halton Environmental Network Canada Summer Jobs (CSJ)
OakvilleReady Animator

Having a strong passion for helping people, Nicolas believes he can best achieve this goal by pursuing a career that protects the natural environment. Nicolas attended High School at St. Thomas-Aquinas in Oakville and graduated from the International Baccalaureate Program in his four years there. He then took the year off school where he worked and volunteered in Oakville before going to Italy on a three-month mission trip where he attempted to answer many of life’s important questions and to help others in need. On the trip, he also became fluent in Italian to add to his list of other known languages which include Spanish, and some would say French (he would not). He has now completed his first year enrolled in the Honours Environmental Science Program at the University of Waterloo, where he also forms part of Waterloo’s Varsity Men’s Soccer Team. In his spare time, he enjoys reading, writing, spending time in nature and playing sports with others. He is very interested in learning more about the world’s problems such as climate change and looking for ways to solve them. Nicolas strives to continue putting his joint passion of helping people and the environment to work, whether that is through volunteering, his job or both!