RIOS — Streamlining new housing and development processes

We have an ambitious vision: to increase the efficiency and speed of building and development processes through innovation in data, workflow and business models.

RIOS stands for the Real estate Industry Operating System, a name that speaks to our tech roots and our aims. RIOS was founded in partnership with R‑Labs and Teranet, two groups with deep real estate experience and unique capabilities in the development space. Both are committed to delivering innovative solutions that solve major problems and create efficiencies for all stakeholders in our industry.


Antoni Wisniowski

Antoni Wisniowski

Founder and CEO

Antoni is an experienced C-suite executive leader with a proven track record in leveraging disruptive innovation, technology and collaboration to transform organizations, products, services and culture. His 30-year career has been focused on business and technology innovation, information technology, geospatial systems and real property.

He is the former President and CAO, and President of International Business Development for the Municipal Property Assessment Corporation, one of the largest and foremost property valuation agencies in the world. He has held senior management positions with Teranet and the City of Toronto. Most recently, he has operated as the principal consultant of Stockbridge Innovation applying his passion for innovation in the proptech and fintech sectors.

Antoni holds Bachelor of Applied Science and Master of Information Science degrees from the University of Toronto.

Joe Vaccaro

Joe Vaccaro

Founder and President

Joe is a celebrated and trusted voice in the residential construction industry. With over 15 years in the sector, he has been front and centre of game-changing ideas that have left a lasting impact on housing in Ontario and Canada.

He is the former CEO of the Ontario Home Builders’ Association and former Vice President of Policy and Government Relations at the Building Industry and Land Development Association (BILD. He also served as a senior advisor and assistant to the Minister of Economic Development and Trade, Chair of Management Board, and the Minister of Government Services for the province of Ontario.

Joe holds Bachelor degree in Political Science and Philosophy from York University.

Board of Directors

Paul Golini

Paul Golini


Paul is the former Executive Vice President and Co-Founder of Empire Communities, one of North America’s largest and most trusted integrated master-planned community homebuilders. He has also served as Chair of the Board for Tarion Corporation, the Provincial Regulatory and Warranty Program. He currently sits on the Toronto Region Board of Trade, Board of Directors.

Elgin Farewell

Eglin Farewell

Director, President and CEO, Teranet

Elgin Farewell is the President and Chief Executive Officer of Teranet Inc. Elgin joined Teranet in 1997, and has held a number of leadership roles with the company before becoming CEO in 2013.

George Carras

George Carras

Director, CEO and Founder, R‑Labs Canada

George is the CEO and Founder of R‑Labs Canada and is recognized as one of Canada’s most trusted innovators in the advancement of Canadian property markets through technology.

Dilpirt Grewal

Dilpirt Grewal

Director, Senior Vice President, Teranet

Dill is the Senior Vice President, Registry and Property Solutions at Teranet Inc., where he is responsible for the growth and expansion of Teranet’s modern statutory registry services and innovative property solutions.

Founding Partners

R-Labs Canada


R‑Labs builds purpose-driven companies that solve major problems in real estate through technology-enabled ventures. Backed by industry leaders, R‑Labs works closely with entrepreneurs and industry to build and scale new companies. RIOS is a key platform in the development sector that adds to a growing list of R‑Labs companies including R-Hauz and OneClose.



Teranet is an international leader and pioneer in electronic land registration systems and commerce. Teranet is the exclusive provider of Ontario’s online property search and registration. Teranet developed, owns and operates the Ontario Electronic Land Registration System – one of the most advanced, secure and sophisticated land registration systems in the world. As a Founding Partner of RIOS, Teranet is able to leverage deep industry expertise and registry capabilities to enhance solutions in the development processes.