Outstanding programs at STS such as athletics, outdoor education and the arts continue to define the spirit of STS. Plays, musicals, concerts and the external recognition given to our students are a source of pride for the entire STS community.

The Board of Governors continues to focus on a proactive view to build on the proven strengths of the STS heritage and capitalize on new opportunities to develop our children as leaders, thinkers and individuals capable of taking their places in the world.

The Board is committed to continuous improvements to realize the STS motto of Nil Nisi Optimum - offering nothing but the best.

Contact the Board of Governors

STS Board of Governors


Patrick Aherne

Mr. Patrick Aherne

Mr. Patrick Aherne is the Vice President and Chief Audit Executive of Husky Energy Inc. Patrick holds the CFA and CPA-CMA designations and obtained his B.Comm. from the University of Alberta. He and his wife Allison have two children, Tristan ’25 and Elizabeth ’27, who have attended STS since Grade 1.  Patrick is a member of the Infrastructure and Risk Management Board committee.

Tara Black

Mrs. Tara Black

Mrs. Tara Black has a Bachelor of Commerce and a Masters of Communications Studies from the University of Calgary.  She worked in public relations and communications in the oil industry in Calgary and Houston for 25 years, and most recently served a year as interim Director of Marketing and Communications at STS.  She has passionately served over seven years on the Parents’ Organization of STS executive, of which she is now the President.  Tara and her husband, Rick, are proud parents of two STS students, Emily ’18 and Carly ’20.

Sorrayah Juma Bhojani

Mrs. Sorrayah Juma Bhojani

Mrs. Sorrayah Juma Bhojani runs her own family office focused on international and domestic private and public equity and real estate investments.  Sorrayah obtained her BA (Summa Cum Laude) from Princeton University in 1994; her JD from Stanford Law School in 2001; and is a member of the New York State Bar Association.  Sorrayah has worked at various multinational law firms including, Sullivan & Cromwell in New York City; Morrison & Foerster (MOFO) in San Francisco; and Allen & Overy in London, England, focusing primarily on derivatives and project financing.   Sorrayah has extensive volunteer experience having served on the Board of the United Way of Calgary and spent some time with the United Nations Development Programme in Nairobi, Kenya.  Furthermore, Sorrayah has experience with the Round Square, having attended Aiglon College, a boarding school in Switzerland and a founding school of the Round Square, for her Grade 6-12 years. Sorrayah and her husband, Ali ’84, have one son attending STS, Aydin ’22.

M. Bruce Chernoff

Mr. M. Bruce Chernoff

Mr.  M. Bruce Chernoff is a Professional Engineer with a Bachelor of Applied Science degree in Chemical   Engineering from Queen's University and is the President of Caribou Capital Corp, a private investment company with interests in energy, real estate and financial services. Mr. Chernoff is Chairman of Maxim Power Corp. and a director of several other public and private entities. Bruce and his wife, Dina, have three children:  Lucas ’19, Nyah ’18 and Stella ’20.

Jim Girgulis

Mr. Jim Girgulis

Mr. Jim Girgulis is the Senior Vice President, General Counsel & Secretary of Husky Energy Inc. Jim obtained his B.A. from the University of Calgary and his LL. B from the University of Alberta. He and his wife Valentina have two children, Theodora ’23 and Dimitri ’24, who have attended STS since Grade 1.  Mr. Girgulis is the Corporate Secretary for the Board.

Michele Kalny

Dr. Michele Kalny

Dr. Michele Kalny is a clinical assistant professor in the Faculty of Medicine at the University of Calgary and a practicing pediatrician in Calgary. A graduate of the University of Calgary, Michele obtained her BSc in 1985, her MD in 1988 and her specialty status from the Royal College of Physicians and Surgeons of Canada in 1992. She has served on numerous committees and boards, including those at the Alberta Children’s’ Hospital, the Alberta College of Physicians and Surgeons, the Canadian Pediatric Society and the Royal College of Physicians and Surgeons of Canada. Her two sons, Paul Crichton ’16 and Lucas Crichton ’18 have attended STS since Grade 1.

Scott Kirker

Mr. Scott Kirker

Mr. Scott Kirker is Secretary and General Counsel of Tourmaline Oil Corp. Scott obtained his BA and MSc from the University of Calgary and his LLB from the University of Alberta. He and his wife Anne have two children, Katie ’12 and Ryan ’15. Mr. Kirker is Chair of the Board of Governors, Chair of the Strategic Review Committee and sits on the Head Support sub-committee.

Mark Le Dain '08

Mr. Mark Le Dain '08

Mr. Mark Le Dain ’08 is currently Director, Strategy at Validere. He previously worked as an investment banker with Barclays, and is a CFA charterholder. He received his B.Comm (Honours) from the Queen’s School of Business where he was valedictorian. Mark graduated from STS in 2008, was valedictorian, and currently serves as President of the STS Alumni Association. Mark is a proud partner with Social Venture Partners Calgary and volunteers with the Investment Committee. In a surprise to his English teachers at STS he is also a published author.


Barbara MacIntyre

Ms. Barbara MacIntyre

Ms. Barbara MacIntyre is a Certified Professional Accountant and Chartered Accountant with a Bachelor of Commerce (Honours) degree from the University of Manitoba. She oversees operations of their family business, Lake Breeze Winery, an award-winning Okanagan boutique winery. Barbara and her husband, Drew, have two sons, William ’19 and Harrison ’22. Barbara currently serves on the Finance Committee and will assume the position of Chair in the Spring of 2018.

Afroza Nanji

Dr. Afroza Nanji

Dr. Afroza Nanji works as an Education Consultant for international development agencies, not for profits and government. She develops programs and resources for adult learners and teacher development on global citizenship, inclusion and pluralism. She has projects with the Global Centre for Pluralism and various agencies within the Aga Khan Development Network. Afroza has a PhD in Education. Her research is in adult learning theory and pluralism in policy, public space and schools. She is a sessional instructor at the University of Calgary and has developed educational programs for the Alberta Human Rights Commission. Previously, Afroza practiced Dentistry in Calgary for 11 years. Afroza and her husband Aly, have two children at STS, Aadam ’19 and Alia ’22.

Sloan Pipella-Clark '81

Mrs. Sloan Pipella-Clark '81

Mrs. Sloan Pipella-Clark ’81 is a lifer having attended STS for 12 years. She is the Past President of POSTS, is a member of STS Alumni Executive and is a Registered Nurse working part time with Alberta Health Services specializing in Adolescent Mental Health. Sloan graduated from the University of Calgary with a Bachelor of Nursing degree in 1986. Sloan and her husband Alec Clark have two children, Maclean ’14 and Lochlyn ’17, both proud STS alumni. 

Ted Rozsa

Mr. Ted Rozsa

Mr. Ted Rozsa has enjoyed a long successful career as an executive and director of several oil and gas companies. Mr. Rozsa and his family have been extremely supportive of the arts in Calgary as well as the fine and performing arts program at STS. Ted and his wife, Diana, have five children, Scott ’86, Ted ’89, Stacy ’91, Charles ’12 and Zachary ’24.  Mr. Rozsa is Chair of the Infrastructure and Risk Management (IRM) Committee and Vice-Chair of the Board.

Todd Worsley '88

Mr. Todd Worsley '88

Mr. Todd Worsley ’88 attended STS from 1980 to 1985.  Mr. Worsley has a B. Comm. (Hons.) from Queen’s University and is a Chartered Financial Analyst.  He currently serves as President, Sky Energy Group, a private investment firm.  Having spent a significant part of his career in Toronto, Mr. Worsley is excited to be back in Calgary and part of the STS community.  Having served as a member of the Advancement Committee, Mr. Worsley assumed the position of Chair on December 1st.  Todd and his wife, Esther, are proud parents of Willem ’21.

Deborah Yedlin

Mrs. Deborah Yedlin

Ms. Deborah Yedlin has covered the energy sector as a columnist and radio commentator for CBC since 1996. She has worked with the Financial Post and the Globe and Mail and is currently a business columnist for the Calgary Herald. Prior to her career switch to journalism, Deborah was an investment banker on Wall Street and Bay Street. She holds a BA from the University of Alberta ’84 an MBA from Queen's University ’91 and the ICD designation from the Institute of Corporate Directors. In addition to her professional obligations, Deborah serves as a director on several non-profit boards in Calgary and is a busy mom of three sons, Michael ’13, Alexander ’15 and Daniel ’16.