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Big Brothers Big Sisters of Guelph
285 Woolwich St
Guelph, ON, N1H 3V8


Mike Treadgold
Executive Director

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I joined BBBSG in the summer of 2013 and I am thrilled to continue to work for, and be a part of, such a strong organization, with an amazing collection of stakeholders and community partners. The response from the local community to our mission has been truly impactful and I look forward to continuing to build on these relationships and establish new ones, too. The BBBSG movement offers something for everyone and I enjoy hearing stories from partners and providing them with opportunities to get involved. I’m a proud husband to Jill and father to Abigail, and in my free time, you can find me attending sporting events, listening to music and spending time with family and friends.

Marg Allen
Program Administrator

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I have been the program administrator for the BBBSG team since September 2000 and am responsible for a variety of duties including answering and directing phone calls & agency emails, data entry for receipts as well as supporting the other BBBSG staff members in a wide variety of tasks. As a graduate in Early Childhood Education I also enjoy being part of the Casework Team as the initial contact for volunteers and families who wish to apply to our agency. I receive a great deal of satisfaction working for an agency which provides such positive role models for children.

Cathy Simioni

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I have been the bookkeeper at Big Brothers Big Sisters of Guelph since the spring of 2015, and am a registered CPA. I love to travel with my husband, 2 kids, and 2 dogs!


Brigitta Wideman
Casework Manager

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Being a member of the team at Big Brothers Big Sisters has been incredible! I became involved in the agency through a college placement and have enjoyed stepping into the role of Co-op Caseworker where I get to work with highschool students who are completing their highschool co-op. I absolutely love connecting with these youth and watching them grow during their semester! In my spare time, I enjoy reading, playing piano and connecting with friends and family.

Lisa Steduto
Caseworker, One-to-One Program

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I’ve worked at BBBSG since September 2002 and have really enjoyed getting to know so many of the wonderful volunteers and families.  As a part-time Mentoring Coordinator, I support 30 matches, assist with screening of volunteers, and child intake.  In my spare time I enjoy spending quality time with my family, hiking, photography, and camping.

Faythe van Esch
Caseworker, One-to-One Program/Big Bunch Coordinator

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I have been involved with BBBSG since January 2015, when I was a placement student in the Child Youth and Family Studies program at the University of Guelph. I was very excited to join the team 2 years later in January 2017. In my position with the agency, I support 30 Big/Little matches, assist in screening volunteers, child intake and coordinate the Big Bunch program. I am very passionate about working with children and their families and providing support to enrich their lives. When I am not at work, I enjoy playing soccer, hiking, camping, going to concerts and travelling.

Holly Alac
Caseworker, In-School Mentoring Adult Program

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I strongly believe in mentoring as an important aspect of raising young people into healthy adults, and have personally been impacted by many mentors throughout the years. With this in mind, I am thrilled to be able to use my skill and education in the Social Services sector to help connect young people with mentors who will leave a lasting impact on their lives. I graduated from the University of Guelph with a BASc. in Child, Youth, and Family Studies, and have been working with Big Brothers Big Sisters of Guelph since January 2018. In addition to my work with mentors and mentees, I also love decorating, coaching figure skating, and playing the piano.

Geoffrey Harrison-Edge
Caseworker, School-Based Group Programs

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I am a graduate of University of Guelph’s Child, Youth and Family Bachelor of Applied Science program. I joined Big Brothers Big Sisters of Guelph in September 2018 as the School-Based Groups Caseworker overseeing the Go Girls!, Play On! And Game On! programs. I oversee approximately 15 groups each semester ensuring safety, quality, and enjoyment for both mentor and mentees. I have a wide range of experience working with children with special focus on the “At-Risk” and “Special needs” populations.

Lois Allen
Caseworker, In-School Mentoring Adult Program

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I joined BBBSG as an Adult In-School Mentoring Caseworker in September 2018, but my history with Big Brothers Big Sisters starts even before that. As a high school student, I completed volunteer hours with BBBSG and truly enjoyed being involved with the agency. I completed a Bachelor of Social Work and a Bachelor of Arts in Sociology at McMaster University, before becoming involved with BBBS again a few years later as a Program Coordinator at the Waterloo Region agency. I am excited to be back in Guelph and to have the chance to facilitate positive and meaningful matches in our In-School Mentoring program! I enjoy hiking, music and board games.

Katie Morden
Casework Placement Student

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I am currently in my second and final year at Conestoga College in the Social Service Worker program and I have been working with Big Brothers Big Sisters of Guelph throughout the program as my field placement. I chose BBBSG because I truly believe that the mentorships within their programs are building strong, beneficial relationships. Beyond my interest in working with people, I also enjoy visual arts, music, spending time outdoors, and being with family and friends in my spare time.


Darryl Blake
Program Development Writer

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As Program Development Writer for BBBSG, I request support from granting foundations across Canada. With a Bachelor of Education from Queen’s University and a Bachelor of Mathematics from the University of Waterloo, I started with our organization after also completing my Business Writing Certificate from Conestoga College. In my spare time, I play the drums for two separate bands, create bead artwork and am learning to edit videos.

Jennifer Tremaine
Fund Development Coordinator

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As a Fund Development Coordinator for BBBSG, I oversee the agency’s Bowl For Kids Event, Big Little Run, Little Change for Big Change and 12 Days of Giving. I am always looking for new businesses to get involved with BBBSG and new ways to engage the community’s support. I have a diploma from Niagara College in Recreation and Leisure Services. Fundraising has always been a personal niche of mine since I was very young. I have a daughter currently involved in the BBBSG mentoring programs, and we camp during the summer and hibernate during the winter.

Ashley Maginnis
Fund Development & Communications Coordinator

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I am excited to be joining the wonderful team at BBBSG! As a Fund Development and Communications Coordinator for BBBSG, I oversee the agency’s Have a Heart for Kids Sake Gala, The Big Downtown Food Truck Picnic, Golf for Kids Sake and 12 Days of Giving. I am eager to bring new ideas as to how we can engage with the community, creating more awareness and support for BBBSG. I have a diploma from Humber College in Business Management, a certificate in Event Management from Mount Royal University and am currently working towards my CMP designation. When I’m not putting together spectacular soirees, I’m collecting inspirations from my surroundings, enjoying nature and spending quality time with my husband, two kids and fur babies.