On November 1st, 2018, British Columbia Investment Management Corporation (BCI), the Public Sector Pension Investment Board (PSP Investments), and Alberta Investment Management Corporation (AIMCo) affiliated their long-term timber investments, TimberWest Forest Corporation and Island Timberlands Limited Partnership.


Mosaic is responsible for managing the Affiliation and provides a range of services to TimberWest and Island Timberlands from harvest planning to operations, marketing and sales.

The Affiliation will generate many potential benefits, including:

  • Ability to optimize logistics through the use of shared roads, sort yards and infrastructure

  • Enhancing forest health through coordinated stewardship and silviculture across adjacent private timberlands

  • Integrated best practice approach to watershed, ecosystem, species at risk and visual quality management

  • A commitment to seek an extension of the Progressive Aboriginal Relations certification

  • Improving safety outcomes by applying best practices across both operations

  • Expanded recreational access, trail connections and campsites

  • Ongoing investment in forestry and innovation, including leadership participation in the BC Digital Technology SuperCluster.

Our values

We aspire to be the Asia-Pacific leader in sustainable timberlands management, optimizing long-term returns for our shareholders.

  • Safety & Wellness: Our highest priority

  • People: Inspired, empowered, and engaged

  • Sustainability: Responsible, science-based environmental management

  • Integrity: Respectful and honest in our relationships by always doing the right thing and holding ourselves to account

  • Superior Performance: Long-term value creation through operational excellence, innovation and an unrelenting focus on continuous improvement


Senior Leadership


Jeffery Zweig – President and Chief Executive Officer

Jeff has over two decades of experience primarily in executive roles in the resource sector with strategy, operational, project development, finance, and M&A accountabilities. 

Over the course of his career, Jeff has led teams in a variety of locations around the world, and across a number of different businesses and commodities.

Jeff is a member of the Executive Committee of the Business Council of British Columbia, a Board member of the Council of Forest Industries, and a Board member of the Canadian Partnership Against Cancer which is the steward of Canada’s cancer control strategy.

Jeff has a B.A. (Hons), LL.B. and M.B.A. (gold medalist) from the University of Western Ontario.


Rob Gough – Chief Financial Officer

Rob is a seasoned financial executive with considerable international and business development experience. His past experience includes a number of senior finance and strategy & development positions in Canada and around the world. 

Rob has an MBA from the University of Melbourne and a Bachelor of Commerce degree from LaTrobe University in Melbourne. He is a Certified Practicing Accountant (Australia). 


Mark Leitao – Vice President, Operations

Mark has experience across the forest sector having worked in pulp and paper, solid wood, and forestry. Over the course of his career he has managed a pulp mill, a sawmill and advanced as a senior human resource professional.

Mark has a diploma in forestry from BC Institute of Technology, a Bachelors of Arts with a business major, and a Masters in Liberal studies from Simon Fraser University.


Rick Jaccard –  Chief Commercial Officer

Rick is responsible for marketing and supply chain management. He has more than three decades of experience in the BC forest sector having worked in forestry, engineering, planning, operations, log purchasing and marketing and sales. 

Rick has a BSc in Forestry from the University of British Columbia and is a member of the Association of BC Professional Foresters.


Domenico Iannidinardo – Vice President, Forest & Sustainability and Chief Forester

Domenico has two decades of work experience in the coastal forest industry. He is a director of the Marmot Recovery Foundation and the Private Forest Landowners Association, is Co-Chair of the BC Forest Genetics Council, and is Chair of the Canadian Association of Forest Owners. Domenico is an active proponent of high professional standards and holds degrees in forest operations and business administration.

He is a member of the Canadian Institute of Forestry, the past president of the Association of Professional Biology and is a Registered Professional Forester, Biologist and Engineer.


Dave Todd - Vice President, Planning & Improvement

Dave is a finance and operations executive with over twenty years experience in multiple international jurisdictions. He has held senior finance positions across the natural resource sector, with extensive experience in forestry operations.

Dave holds a Bachelor of Commerce from the Nelson Mandela Metropolitan University, and as a CPA CA, is a member of the Chartered Professional Accountants of British Columbia.


Benjamin Lee – VP, General Counsel & Real Estate and Corporate Secretary

Benjamin is an established legal executive with over a decade of experience in the resource sector gained in-house, including formerly at an organization with global operations, as well as working at a national Canadian law firm. In addition to his legal functions, Benjamin oversees real estate development and sales.
Benjamin is a graduate of McGill University with a Bachelor of Arts in Political Science (Honours) and of the University of Ottawa, where he received a Bachelor of Laws (Honours). Benjamin is a member of the Law Societies of British Columbia and Ontario.