Our Team

Our team members are the very fabric of our organization and are living examples of Cornerstone’s values of Compassion, Integrity, Service, and Humility. We are fortunate to have a dedicated, talented group of people who work each and every day to make our recovery community the most incredible place to be! We asked them to share a little bit about themselves with you!

Cornerstone Management Team

Blaine Hobson
Co-Founder & Executive Director (Volunteer)

Blaine is an experienced operator, manager and investor with more than 30 years of experience successfully starting, building and running companies. He has direct leadership experience as a founder and CEO in a variety of diverse industries including automotive manufacturing, medical tech, telecom and food tech. He holds a degree from the Richard Ivey School of Business at the University of Western Ontario. Blaine is active in the community including his involvement with Hope House , Southlake Hospital and as founder and ongoing supporter of Cornerstone to Recovery (previously STEPS). His vision drives the ongoing development of unique recovery community services at Cornerstone.

Peter Brewitt RCS, CACII, ADS
Director of Counselling Programs & Development

Peter has been involved in substance abuse, addictions and associated behaviours for the past 27 years. His lived experience, continuing education and passion for helping others make for a strong commitment to our recovery community. As a Registered Clinical Supervisor, he oversees the day-to-day operations of our programs and is involved in ongoing organizational development. From residential programs through to new program offerings, Peter works with one driving principle…. “Provide those in need with the very best opportunity to improve the quality of their lives.”

Cornerstone Residential – Women’s

Lori-Ann Seward
Director of Women’s Residential Programs

Lori-Ann is the Director of Women’s Residential Programs for our women’s recovery centre in Barrie. She is a Franco-Ontarian (originally from Kapuskasing), who has called Barrie home since 2002. She has held many hats in her work experience – mainly in self-employment, grief coaching, relationship management, event coordination, business planning, resource development and real estate. She is also a very engaged volunteer in her community. But the experience she is most proud of is her journey of discovery and growth in recovery – which started in 2011. Her passion is fuelled by working with women in recovery and in helping them grow into the best version of themselves.

Cornerstone Residential – Men’s

Shawn Sowten, CAC II, ADS, CPI
Director of  Men’s Residential Programs 

Shawn has over a 15 year career background in the property maintenance industry in both managerial, and business development capacities. He transferred his skills to a career in the addiction field backed with over fifteen years’ experience in the recovery community.  Along with an Honour’s degree from the University of Windsor, Shawn is professionally trained in ASIST, CPI, and CBT for his CAC II certification.  With a strong passion working with those new to recovery from addiction, Shawn uses his leadership skills, along with lived experience, to help client’s find purpose and direction in their lives.

Kevin Kellington, AAC
Lead Residential Addictions Counsellor

Kevin is an Associate Addiction Counsellor who is working towards completing his Addiction Certificate through Wilfred Laurier and gaining his CACII. He begin his journey at the Kettleby Ranch in 2019. His passion for recovery led him from volunteering to a full time counsellor position at the Ranch in 2020. Kevin is also the owner of a small home improvement company. Kevin is known for his dedication to working with those in early recovery, his Honesty and his relatability. He enjoys working with clients to support them rebuilding their relationships with others and themselves. 

David Walker, CAC II, CPI
Residential Addictions Counsellor

Dave began his career with U.S.I. Lighting in San Leandro California, gaining unparalleled experience in the North American lighting industry, establishing himself as a respected and trusted businessman. Dave has been part of the Men’s Residential counselling team since 2017.Currently working as an Addiction Counselor for Cornerstone to Recovery, Dave is widely known for his passion, energy and expertise in the field of recovery.While his business background took David across North America, he resides in Bradford Ontario and is an active member within both our recovery community and broader York region.

Paul Lafave, AAC
Residential Addictions Counsellor

Paul joined the Cornerstone Team in 2021 as a full-time Addiction Counsellor at our men’s residential facility earning his AAC board certification.  Alongside a three-decade background in the security and infrastructure field, Paul has persistently over the years devoted his time to peer support, and volunteering in our recovery community at Cornerstone before making this his full-time career.  With over twelve years in recovery and growing up in a community on Lake Simcoe, Paul brings his small town value system of compassion, hard work, and honesty to helping others on their road to recovery.

Cornerstone Connections

Tina Bentley, ACSW, CACII, ADS, CPI
Director of Community Programs

Tina began her career with Steps to Recovery in 2010. Tina is The Director of Community Programs. Tina oversees Connections, Pathways & Wellness. She completed her diploma as an Addictions and Community Service Worker and she is designated as a Canadian Addiction Counsellor, Certification Level II. Tina holds additional certificates in Acupuncture Detoxification, Life Skills Coach, Personality Dimensions Facilitator, CPI Training, First Aid and CPR. Tina’s approach encourages positive change through improvement on skills individuals already possess. Tina has a strong passion for working with clients with addictions. Her empathetic and caring personality truly help clients feel at home and safe to begin building productive lives.

Cornerstone Pathways

Andy Venable, AAC
Pathways Program Facilitator

Andy is our Program Facilitator for Pathways here at Cornerstone to Recovery. 7 years ago he was in treatment at Cornerstone and I took the very same program that now he is facilitating. Since graduating from this program and with the help of the community, he has maintained sobriety and began work in the social services field as a way of giving back to the community. I want everyone to know that recovery from any addiction, trauma, or any situation is possible, as I have witnessed the transition in myself and others. I know that no matter how hopeless you may feel at the moment, there is always the possibility for change, and you are not alone. There are others out there, like me, who want to help. Andy has  chosen this profession because of his lived experience of being the one needing help, and wanting to be able to give back and now help those in need. I look forward to seeing you in class!

Arianna Markle BFA, SSW
Pathways Program Facilitator

Arianna’s lived experience has drawn her to the addictions field. She is an honours graduate of Seneca College’s, Social Service Worker program. Arianna’s background is in theatre. She completed a Bachelor of Fine Arts degree with a specialization in Theatre Performance at Concordia University in Montreal. Her theatre training informs the Self-Exploration workshop which she facilitates in the Wellness Centre at Cornerstone. Arianna draws upon her lived experience for the compassion and wisdom required to support clients in the Pathways Program. She works with community members to achieve their recovery goals through Case Management and Peer Support. Arianna completed her student placement at Cornerstone. She describes her work now, as a Program Facilitator, as a celebration of her recovery thus far— it is life affirming! She reinforces a strong sense of community at Cornerstone— bringing her collaborative spirit, heart and joy to the work.

Cornerstone Wellness

Wellness Program Facilitator  

Jeff Gartner 
Weekend Wellness Program Facilitator 

Jeff is Cornerstone’s Weekend Wellness Program Facilitator, 1 on 1 Personal Trainer and offers Peer Support.  He began his journey towards health optimization in his early youth as an athlete of several different sports.  Those sports led to injuries, and without the adequate knowledge and guidance eventually led to a path of recovery.  Combining his lived experience, passion for learning, people and finding out what humans are truly capable of resulted in Jeff joining the Cornerstone Team. Jeff has been a personal trainer in many different capacities since 2010, more recently his focus has been on studying the cultivation of discipline, courage, mindfulness, purpose and how he can help others no matter their starting point, one right action at a time.

Lucas Wade
Social Media

Cornerstone Social Enterprise

Patty Trudel, CPA
Director of Finance & Operations

Patty is a Certified Professional Accountant and holds her Certificate in Human Resources. She has spent over 30 years gaining experience in finance and accounting within various industries. As the Controller for Cornerstone to Recovery for the last 5 years, she enjoys working in a charitable non-profit organization that strives to help those in need in the under serviced field of addiction recovery. While accounting is her day job, Patty also enjoys spending time with her grandchildren and cheering on the Toronto Maple Leafs!

Melissa Macri
Administration & Accounting

Melissa officially joined the Cornerstone team as a staff member in August of 2019, but her journey with the organization started in 2017 when she was first introduced to Cornerstone to Recovery as a member of the 12 step community.  Her lived experience is the driving force that fuels her passion to help others who have been where she was to obtain a life of complete sobriety.  As such Melissa has been able to see both sides of the incredible support that Cornerstone to Recovery provides. Melissa provides accounting assistance to Patty Trudel, Director of Finance and Operations and supports the rest of the staff, volunteers and clients with day to day operations.  Through the Social Enterprise pillar she also obtains the licensing for the clothing donation drop boxes.  Melissa loves to see people smile and always up for a laugh. Her lighthearted spirit is what has led to the staff affectionately giving her the nickname “the brat.”

Vivian Guglietti
Community Liaison

Vivian Guglietti’s passion for recovery can be traced back to 2008 when she made a personal decision to address her addiction and embrace the responsibilities connected to achieving a recovered way of life! Vivian has spent over a decade pursuing personal development and professional leadership. In addition to being mother of three vibrant daughters she is very active in her local community and has helped many achieve personal transformations in their own lives! Vivian holds the role of Community Connector and Business Development leader where she brings people together to support our growing and evolving organization! Her commitment to those in recovery and high standard for partners has contributed to the success of our Textile Recycling program. Vivian holds an Honors Degree in Languages from York University, her Toronto Real Estate Board License and an Addiction and Professional Counselling Certification.

Navigate the 5 Pillars of Cornerstone to Recovery

Cornerstone to Recovery is proud to be awarded a four-year accreditation by the Canadian Centre for Accreditation (CCA) in recognition of achieving established CCA standards for quality in governance, management, and community mental health and addictions services.