Catherine A. Haber graduated from the University of Toronto with a Bachelor of Arts degree. Thereafter she attended Queen's Law School and obtained her L.L.B. (law degree). She articled at the former firm of Justice John White, in Hamilton, Ontario. Catherine A. Haber has also participated in numerous continuing legal education programs and attended a Mediation course at the University of Toronto.

Ms. Haber has practiced exclusively in the field of family law for more than thirty years. She has appeared in all levels of courts including: The Ontario Court, Family Division; Ontario Surperior Court of Justice, Family Division; and The Ontario Court of Appeal.

Additionaly, Ms. Haber has acted as a panel member of the (now) Office of the Childrens Lawyer. Recently, Mrs. Haber has been appointed to act as a Dispute Resolution Officer in the Surperior Court of Justice, Family Division, at Milton, Ontario.

Ms. Haber is married with two children and resides in Burlington, Ontario.

Ms. Haber is a member of:

- The Law Society of Upper Canada
- The Halton Law Association
- Lawyer Referral Service - Law Society of Upper Canada
- Dispute Resolution Officer - Milton