The Halton Catholic District School Board (HCDSB) is pleased to announce the appointments of two new members of senior staff: 

  • Em Del Sordo, Superintendent of Education, School Services
  • Colleen Oldman, Superintendent of Human Resources Services
Em Del Sordo
Colleen Oldman

Em Del Sordo

Em has more than 18 years of professional experience working at the Ministry of Education, as well as in school and system leadership roles. He served as the Student Achievement Officer at the Ministry of Education supporting the Wellington Catholic, Waterloo Catholic, Toronto Catholic and Halton Catholic District School Boards in school improvement planning, continuing education improvement plans and learning plans for Mathematics. 

Em has served in a variety of educational roles including Vice-Principal, Principal, System Principal of Programs for Curriculum (Kindergarten to Grade 12) and Student Success at the Hamilton Wentworth District School Board.

“I am thrilled to be joining the Halton Catholic District School Board in the role of Superintendent of Education. HCDSB is a top performing Board and I know that it is the people within the system who create the conditions for all students and staff to succeed. I am excited to build relationships with school communities, families and parishes. I look forward to being part of the dynamic leadership team in service to the communities and parishes we serve so that all students can achieve their full potential.”


Colleen Oldman

Colleen has over 10 years of professional experience working in a variety of roles in Human Resources, with extensive knowledge in employee and labour relations, coordination and administration of collective agreements, negotiation, staff recruitment, disability management and training, as well as experience in health, safety and wellness portfolios.

Over the past 6 years, Colleen has served as Manager of Human Resources for the Brant Haldimand Norfolk Catholic District School Board; Manager of Employee and Labour Relations; as well as Senior Manager in Human Resources Services for the Durham Catholic District School Board.

“It is an absolute honour and privilege to have been afforded this opportunity to be joining the Halton Catholic community as Superintendent of Human Resources Services. I look forward to serving our students, staff, and community as we provide inclusive and equitable opportunities in Catholic education, and strive to achieve, believe, and belong.”


I am pleased to welcome Em and Colleen to our senior leadership team. The combined strengths, expertise and wealth of experience that both individuals bring to our school district will benefit our system as a whole and enhance our ongoing efforts to serve the needs of the students and families entrusted to our care.”

– Pat Daly, Director of Education

These appointments will fill the openings on the senior staff team that were created by the retirements of Colin McGillicuddy, Superintendent of Education (School Services), and Joe O’Hara, Executive Officer of Human Resources Services.