Siwei has carved a niche for herself in the complex world of corporate taxation, addressing both Canadian and international landscapes. Her expertise spans a variety of critical areas, from guiding major acquisitions and mergers to navigating the intricate processes of corporate restructurings and cross-border dealings. She also specializes in designing financial structures for foreign entities aiming to establish or expand their operations within Canadian borders.

Her professional journey includes notable contributions to high-profile transactions. For instance, Siwei played a pivotal role in the Pan American Silver Corp.'s strategic US$4.8 billion acquisition of Yamana Gold Inc., which also entailed a spinout of certain assets to Agnico-Eagle Mines Limited. This maneuver was executed through a meticulously planned Arrangement.

Siwei's adeptness was also on display during the restructuring of POSCO Canada Limited's interests in the coal mining sector of southeastern British Columbia. This elaborate transaction involved exchanging mining interests for shares in Elk Valley Resources Inc., alongside securing a gross revenue royalty. This was part of a larger strategy to bifurcate Teck Resources Limited into two standalone entities, showcasing her ability to handle transactions of considerable complexity and scale.

Another highlight of Siwei’s career is her advisory role in Berkshire Hathaway Energy Company's acquisition of the Montana Alberta Tie-Line from Enbridge Inc., a deal valued around $200 million. Her involvement underscores her proficiency in facilitating significant transactions in the energy sector, emphasizing her versatility and depth of knowledge in corporate tax law.

Siwei’s thought leadership extends beyond transactional work. She has contributed valuable insights to the legal community, such as co-presenting on due diligence reviews and authoring articles on the impending EIFEL rules in Canada. Her writings, particularly those published in The Lawyer's Daily and Corporate Finance, reflect a deep understanding of tax legislation and its implications for corporate finance.

Her professional affiliations with esteemed organizations like the American Bar Association, the Law Society of Alberta, the Canadian Tax Foundation, and the International Fiscal Association (IFA) underscore her commitment to her field. Moreover, Siwei’s engagement with community initiatives, such as the Ladies of Tax in Calgary and her leadership roles in the Marda Loop Communities Association, highlight her dedication to service both within and beyond the legal profession.

Since being admitted to the Alberta bar in 2016, Siwei’s educational background, including a JD from the University of Alberta and her completion of the CPA Canada In-Depth Tax Course, has provided a solid foundation for her impressive career trajectory. Her work not only showcases her legal acumen but also her commitment to fostering a deeper understanding of corporate tax law among her peers and clients.