Heather DiGregorio

Shaun Partridge, KC is a partner based in our Calgary office. Shaun practices in our Real Estate and Corporate Commercial practice groups and has a practice that encompasses a broad range of sophisticated real estate and corporate–commercial transactions including corporate reorganizations and restructuring, real estate acquisition and disposition, development and financing. Shaun represents investors, developers and end-users with the acquisition, financing, development and disposition...

Perry R. Mack, K.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution, Appellate Practice, Bet-the-Company Litigation, Construction Law, Corporate and Commercial Litigation, Director and Officer Liability Practice, Insurance Law, International Arbitration and Personal Injury Litigation. Perry R., who practices law in Calgary, Alberta, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting t...

Mat Wirove is an accredited mediator and reputable family lawyer, recognized for his proficiency in court. With a prior background in civil litigation, Mat's versatile legal experience equips him to tackle a broad spectrum of family law matters with skill and efficiency. A Transparent, Client-Centred Approach Mat adopts a policy of openness and honesty with his clients, keeping them thoroughly informed about their case as it progresses. He understands the unique complexities of every situatio...

Michael Dyck is head of the Real Estate and Banking & Finance Groups in Calgary. As part of his commercial real estate practice, Michael provides advice in connection with a broad range of real estate, development and construction transactions. He acts for purchasers and vendors with respect to acquisitions and dispositions of multi-tenant office complexes, industrial properties and development sites, as well as acting for lenders and borrowers in connection with various types of commerci...

John is a member of the firm’s Indigenous, Environmental, and Project Development practice groups. His practice includes advising private sector and government clients throughout Canada on Indigenous, environmental, regulatory and natural resources matters. John advises oil sands developers, conventional oil and gas companies, railways, mining companies, utilities and other resource developers on environmental regulatory matters and on Indigenous law matters, including Indigenous consul...

Frank Y. Sur is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Securities Law. Frank Y., who practices law in Calgary, Alberta, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank Y. is held by other top lawyers in the same geographic and legal practice area.

Tracy Hanson is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Tracy, who practices law in Calgary, Alberta, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tracy is held by other top lawyers in the same geographic and legal practice area.

Aaron has a diverse practice with a focus on Wills, Trusts, and Estates. He has extensive experience in estate planning, administration, and dispute resolution. His practice also includes business law and real estate law. Aaron is a recognized thought leader in the application of The Surrogate Rules and complicated court applications, which helps him generate positive, timely results for his clients. He shares his knowledge with colleagues and the public through teaching and speaking roles. C...

Patricia Olyslager completed her law degree at the University of Calgary and was called to the bar in 2000. Patricia completed her articles with Parlee that same year. She then moved on to another firm and rejoined Parlee in 2013, becoming a Partner in 2019. Patricia’s practice primarily focuses on litigation, specializing in insurance coverage and defence, disability, product liability, and commercial litigation. Prior to attending law school, Patricia received a degree in nursing from...

Jeff Landmann is an employment and labour partner based in Calgary. Jeff advises employers in negotiation and preparation of employment contracts and severance packages, employment policies and procedures, employment standards, privacy, employment litigation, mediation, arbitration, and human rights claims before the courts, labour boards and administrative tribunals. In the context of unionized workforces, Jeff advises and represents employers in labour relations matters such as union organi...