Nadia Mokriy – Executive Director
905-615-4155 ext 4144
Nadia Mokriy is the Executive Director of Safe City Mississauga. Nadia has been a part of Safe City Mississauga since 2013, starting as a volunteer and through successive promotions taking on the Executive Director role in 2018. Nadia has been involved with various community organizations in the past including Couchiching Community Initiative, United Way, and Big Brothers Big Sisters, through which she has shared her passion for community development and citizenship education. Nadia holds a Masters of Education, Honours Bachelor of Arts and Science, and a Bachelors of Education.
Samantha Gob (on maternity leave) – Youth Development Supervisor
905-615-4155 ext 4480
Samantha Gob holds a Bachelor of Arts Degree with High Distinction in Geography and English from the University of Toronto, with a background in Environmental and Social Development. Upon graduation, she earned a Most Outstanding Student Award from the Department of Geography for graduating at the top of her class. Samantha has been involved with the Aspire program since 2010, starting as a tutor and eventually branching into more administrative roles for the program. She was the first site coordinator for the program, and was later promoted to Assistant Program Coordinator and Lead in Volunteer Recruitment. Now, in her role as Safe City Mississauga’s Youth Development Supervisor, Samantha continues to work towards preventing youth crime in Mississauga, contributing to the creation of healthier communities. Samantha has been certified in Applied Suicide Intervention Skills Training (ASIST), Mental Health First Aid and currently sits on the Region of Peel’s Neighbourhood Capacity Support Strategy Committee for children and youth in the Colonial/Ridgeway neighbourhood of Mississauga. She is a part of United Way Peel Region’s Speakers Bureau, delivering presentations to the public about the benefits of volunteering and mentorship. Samantha holds membership with Central Ontario Crime Prevention Association (COCPA) and has obtained a C.P.T.E.D. (Crime Prevention through Environmental Design) Level 1 Certificate from the Peel Regional Police.
Valerie Briffa – Program Coordinator & Researcher, Youth Education
905-615-4155 ext 4467
Valerie Briffa is a charismatic professional with a keen passion and interest in social service and community development. She studied at York University, where she acquired an Honours BA double-majoring in Criminology and Human Rights & Equity Studies. During this time, she was actively engaged in the school community, serving as the Vice-President of the Criminology Society. This academic background served as a catalyst that readied her for her career and voluntary pursuits. At Safe City Mississauga, Valerie coordinates the Crossroads and Counter-Act programs. Within her role she designs, develops and facilitates a variety of presentations, and is responsible for evaluating youth program impacts, including the impact of community policing on youth perception of law enforcement. Valerie is an avid athlete, and volunteers her time as a Restorative Justice Facilitator for youth and families in conflict with the law. Valerie is currently part of the strategic Peel Human Trafficking Service Providers Committee, working with community partners to combat this issue in the Region of Peel.
Melissa Di Pede – Youth Development Supervisor (North-West)
905-615-4155 ext. 4476
Melissa graduated from McMaster University with an Honours Bachelor of Arts in Social Sciences, with a major in Sociology and a minor in Anthropology. More specifically, she specialized in Sociology of Deviant Behavior and Cultural Anthropology, and graduated with honours. While completing her undergraduate degree, Melissa also volunteered as a tutor and mentor for Pathways to Education. Melissa then went on to complete a Master of Arts in Criminology on a full scholarship at the University of Manchester in the United Kingdom. Following her graduation, Melissa became trained as a volunteer for Associated Youth Services of Peel as a Court Liaison Assistant, and as a Diversion Coordinator Assistant, to contribute to their goal of using restorative justice for youth in the community. She is also currently involved in the community as a member on the Acorn Community Out Reach Network, and has recently become a co-leader for the I AM THAT GIRL non-profit organization in Oakville, Ontario. Melissa became a part of the Safe City Mississauga team as an Assistant Program Coordinator, and has now been promoted to a Youth Development Supervisor for the Aspire program so she can continue to promote education for youth and encourage crime prevention techniques.
Gregory Grzymek – Neighbourhood Watch Coordinator and Staff Criminologist
905-615-4155 ext. 4479
Gregory graduated from the University of Toronto with an Honours Bachelor of Science Degree double majoring in Human Geography and Geographic Information Systems (GIS). His graduate studies in Geospatial Management at Niagara College focused on a group thesis assisting Conservation Halton in fulfilling its mandate for regulating and preventing development in flood prone areas for a portion of Halton Region. He began volunteering with Safe City Mississauga in March 2014 as a Tutor and later Site Coordinator with the Aspire program, helping to shape positive communities through mentorship and education. In addition, he continues to dedicate his time across the city of Mississauga at special events including: Neighbours Night Out, Crime Prevention Conferences, Citizenship Ceremonies, Police Station Open Houses, Justice Luncheon, Operation Clean Sweeps, Library Information Fairs, and the 2017 Peel Special Olympics Summer Games.
In March 2015, he was formally recognized by Safe City Mississauga with a Certificate of Appreciation for exceptional volunteerism through active involvement and contributions towards crime prevention efforts in the city of Mississauga. Prior to his current position, Gregory had the opportunity to work closely with Peel Regional Police and First Responders within the Security industry and completed several training courses including Non-Violent Crisis Intervention (NVCI). Gregory currently sits on Mississauga’s Crime Prevention Through Environmental Design (CPTED) Committee and Integrated Municipal Enforcement Team (IMET) Committee.