Senior Leadership Team

Karen Eisler 

Chief Executive Officer

Karen is the Chief Executive Officer at CTN. In this role, she is responsible for the overall management and direction of the network. A champion of innovation, her leadership focuses on creating an inclusive culture that embraces change and continuous improvement, while keeping kids, youth and families at the centre of decisions.

Karen has over 25 years of leadership experience within the Government of Ontario.  Most recently, she was the Director, Central Region for the Ministry of Children, Community and Social Services, where she managed over 200 staff and provided leadership and oversight to an expansive service delivery system for kids, youth, adults and families. 

Karen is an authentic and collaborative leader with a deep understanding of the social services system in Ontario. She brings exceptional communication and interpersonal skills, along with strong business intelligence and political acumen to the network.

In addition to her professional accomplishments, Karen is married and a proud mother of two children. In her spare time, she enjoys biking, skiing and researching her next travel adventure.

Karen holds an Honours Bachelor of Arts Degree in Business Management from Ryerson University and has participated in a number of professional education programs, including the Public Executive Program at Queen's University.

Kristen Baumann
Director, Child Development Services

Kristen is the Director of Child Development Services. In this role, she is responsible for CTN’s Intake services, SmartStart Hub functions and CTN’s rehabilitation services, including occupational therapy, physiotherapy and speech language therapy.

Kristen joined CTN in 2016 as the Manager of Intake and Service Planning, where she played an integral role in the launch of Coordinated Service Planning and successfully evolved our Intake Services. Kristen participates in many regional and provincial committees, has strong relationships and an exceptional understanding of CTN’s network and many partnerships. Prior to joining CTN, Kristen worked with our partner organization, Closing the Gap Healthcare, as a paediatric physiotherapist and later joined the leadership team, supervising paediatric occupational therapy, physiotherapy, social work and dieticians teams.

When she is not working, Kristen enjoys life in Midland, close to Georgian Bay, for boating, cycling and kayaking with her husband and two daughters. Kristen also maintains her passion for basketball, by coaching her daughter’s teams.  

Kristen received her Bachelor of Arts degree from Wilfrid Laurier University in Physical Education, followed by a Bachelor of Health Sciences (Physiotherapy) from McMaster University.

Karen Dillon
Director, Autism Program and Service Planning

Karen is the Director of Autism Program and Service Planning at CTN. In this role, she is responsible for CTN’s autism services, medical and diagnostic services, psychology services and coordinated service planning. Karen has worked with individuals and families of kids and youth with disabilities and developmental needs for almost three decades.

Karen joined CTN in 2015 and prior to that was in a CTN hosted role with Markham Stouffville Hospital. Most recently, she was a manager on the CTN Programs and Services team. She has completed two secondments with the Ministry of Children, Community and Social Services to support the redesign of the Ontario Autism Program has provided leadership to many local, regional, and provincial initiatives including the autism spectrum disorder diagnostic hubs.  

Outside of work, Karen loves spending as much time as possible outdoors at her cottage, hiking, and kayaking.   
Karen has an undergraduate and Master’s of Social Work Degree from York University and has additional training in Solution Focused Counselling, Mindful Leadership and Motivating Teams.    


Carolyn Gravelle - CPA, CGA
Director, Corporate Services

Carolyn is the Director of Corporate Services at CTN. In this role Carolyn leads the finance, human resource, information technology, information management and evaluation functions at CTN, working closely with CTN’s shared service partner, Oak Valley Health.
Carolyn has enjoyed working in the not-for-profit sector over the past 14 years, and was previously the Director of Finance with the North Simcoe Muskoka Community Care Access Centre before joining CTN in 2012. As a Chartered Professional Accountant, Carolyn has an affinity for numbers and enjoys expanding her knowledge base to include human resource, information technology and information management expertise.
Carolyn is also a long-term volunteer treasurer with the Bracebridge United Church. When she’s not working, you can often find Carolyn on the water in her kayak.
She holds a Bachelor of Accounting Degree from the University of Calgary and compled the University of Guelph's MA (Leadership) graduate degree.


Anchel Krishna
Director, Strategy, Communication and Engagement

Anchel is the Director of Strategy, Communication and Engagement for CTN and responsible for strategic and operational planning, internal and external communications and engagement strategies with key CTN stakeholder groups.
Anchel has more than 15 years of experience in corporate communications in the private sector and joined CTN in 2013 as Communications Manager. Her previous roles include progressive management positions with the Hudson’s Bay Company, CIBC Mellon and Purdue Pharma Canada. Her areas of specialty include strategic and organizational communications, crisis communications, writing and social media.  
Anchel is also very familiar with CTN through her lived experience as a parent. Her oldest daughter has cerebral palsy and has been receiving services from CTN through partner agencies for the last several years. In her spare time she writes for national and international parenting publications.
She has a Bachelor of Journalism (Honours) from Ryerson University and has completed the Strategic Communication certificate from the University of Toronto.

Susan Nall, DSW, RN, B.Sc.N, MBA
Director, Performance and Network Integration


Sue is the Director, Performance and Network Integration at CTN. In her role with CTN, she provides leadership for CTN’s quality and performance initiatives, health records and privacy. She is also responsible for leading CTN’s workplace and service modernization in addition to our pandemic response. Sue comes to CTN having recently served as the Clinical Manager, Developmental Pediatrics and Rehabilitation at McMaster Children’s Hospital (MCH), Hamilton Health Sciences, where she was responsible for the operational excellence of the Children’s Treatment Centre.  

Sue is passionate about systems transformation and led the first Indigenous health partnership between MCH and de dwa da dehs nye Aboriginal Health Centres in Hamilton, Brant and Niagara, delivering on her commitment to equity, diversity and inclusion. During the pandemic, Sue led the specialized vaccine clinic for youth ages 12-18 aimed at ensuring accessibility for children with communication, functional or behavioural needs.

Sue is the Chair for the Empowered Kids Ontario Leadership Council and actively participates on provincial steering committees and advisory panels aimed at improving system performance. In her spare time, Sue is a foodie, a traveler and an avid reader. Sue is an active community partner and provides corporate governance on two boards of directors: Alternatives for Youth in Hamilton and Empowered Kids Ontario provincially.

Sue is a Developmental Service Worker and practitioner dedicated to supporting the lives of kids, youth and families with developmental disabilities. She is a Registered Nurse with the College of Nurses of Ontario for over 20 years, and has her Master’s degree in Business Administration.

Lewis Park
Director, Information Systems & Technology

Lewis is the Director, Information Systems & Technology and is responsible for innovating and improving information technology and systems that will enhance and strengthen CTN’s ability to support kids, youth and families and the network. Lewis is a technology professional with extensive IT leadership experience within the health care sector. Most recently, Lewis served as Director, Information Technology, Health Information Management and Biomed at Headwaters Health Care Centre in Orangeville, Ontario.

In addition to several certifications, Lewis holds an Advanced Diploma in Information Technology and is currently completing a Master of Science in Computing and Information Systems.

Ahmad Qaderi
Chief Financial Officer

Ahmad is the Chief Financial Officer (CFO) at CTN. In this role, Ahmad leads the finance, human resources, procurement, risk and business operations at CTN.
A dedicated and results-oriented leader, Ahmad is a finance professional with extensive senior leadership experience within the non-profit community service sector. Ahmad served as Director of Finance and Operations at Regent Park Community Health Centre in Toronto and the Director of Finance and Infrastructure at Caledon Community Services. He has over 10 years' leadership experience in both public and international organizations.   
Ahmad holds a Master of Business Administration from Carleton University, as well as the Chartered Professional Accountant (CPA) designation, amongst other credentials.