At CEO (Boardroom Media) we track over 1,000,000 startups and over 5,000,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top Canada based CEO’ operating in the Productivity Tools space. If you think a CEO’ is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Aydin Mirzaee
CEO / Co-Founder of Fellow.app
Aydin Y Mirzaee currently serves Fellow.app as a founding fellow. Prior to this,Aydin spent more than one-year with SurveyMonkey as a general manager of FluidReview.
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About Fellow.app, ReviewRoom: Fellow.app is a top-rated meeting management software built for managers and their teams to power meetings, 1-on-1s, feedback, and goals.
Stewart Butterfield
Co-Founder and CEO of Slack
Stewart Butterfield serves as the CEO and Co-Founder at Slack Technologies, Inc. Stewart Butterfield serves as the President of LudiCorp Research and Development Ltd. Stewart Butterfield directed the 11-member design group (creative/visual/UI, production & QA) at Communicate.com, where he acted as design lead or managed teams on millions of dollars worth of projects for companies like HSBC and Sears Travel. He co-founded Flickr at Yahoo! Inc. Stewart Butterfield has served in the W3C’s XForms working group and has been active in many other professional organizations. He has also a long consulting interaction design career, most recently with Telus, the CBC and The Economist. Stewart Butterfield founded the 5K competition, a lo-fi, high-profile design award, which has been featured everywhere from Playboy to Le Monde to USA Today. He serves as a Member of Advisory Board at Wantoo Networks Incorporated. Stewart Butterfield is a frequent speaker on design and technology topics at professional and academic events across Europe and North America. He was recently named to the International Academy of Digital Arts & Sciences and is a nominating judge in the Webby Awards (for Best Practice). In 2001, he was nominated for a Chrysler Design Award. In 2006, Time magazine’s put him on their list of the 100 most influential people in the world. Stewart Butterfield received a BA (Hons. with Distinction) in philosophy from the University of Victoria, and an MPhil in philosophy from Cambridge University, graduating with a First.
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About Slack: Slack is an enterprise software platform that allows teams and businesses of all sizes to communicate effectively.
Mahyar Raissi
Co-Founder & CEO of OpenPhone
Mahyar Raissi is a co-founder and CEO at OpenPhone.
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About OpenPhone: OpenPhone offers a phone app that lets users seamlessly get a business phone number without a second phone or a second SIM card.
Ariel Mashiyev
Chairman & CEO of iLobby
Ariel Mashiyev is the CEO of iLobby® Corp, a global leader in the Enterprise Visitor Management space. He is passionate about leveraging technology to bring about automation, and he constantly strives to change the status quo. His innovation and dedication have not only exponentially grown iLobby®’s revenue, but Ariel is a serial entrepreneur who has successfully built up brands that have been acquired by major players in their industries. Ariel has been recognized with awards such as “Young Entrepreneur of the Year” in 2019, and named a “Canadian Entrepreneurship Icon” by StartUp Canada. Ariel gives back to the entrepreneur community through mentorship and Expert Advisor roles, and supports non-profits through the iLobby Cares™ initiative.
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About iLobby: ILobby develops software that helps enterprise companies track, manage and monitor visitors, contractors, and employees in their facilities.
Roy Pereira
Chief Executive Officer of CalendarHero
Roy Pereira is a start-up and turn-around specialist. He is an entrepreneurial business developer with unique insight into today’s technology market and business and marketing strategies. He has direct executive operational experience with both publicly-traded corporations and early-stage startups.
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About CalendarHero, Techstars: CalendarHero is the fastest and easiest way to schedule all meeting types
Cameron Barrett
Chief Executive Officer of Field Safe Solutions
Cameron Barrett is the Chief Executive Officer at Field Safe Solutions. He has an MBA from Heriot-Watt University, an MSc (Law) from Abraham Lincoln University, and an ICD.D from Rotman School of Management.
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About Field Safe Solutions: Field Safe Solutions develops a safety application to connect workers, improve safety, optimize operations, and lower costs.

Chris Buttenham
Co-Founder and CEO of Obie
Founder of Obie.
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About Accelerating Support, Obie, The Art of The Fail: The fastest way to find and capture knowledge at work
Louis-Victor Jadavji
Co-founder & CEO of Taloflow
Entrepreneur who focuses on health, 3D printing, cloud infrastructure and AI.
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About Taloflow, Turnyp: Find the best cloud and dev tools for your use case
Jeremy Bell
Founder & CEO of Mayday
Founder & CEO of Mayday
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About Mayday: Mayday is a calendar assistant that helps you sustainably increase productivity, while reducing the potential for burnout
Daniella DeGrace
CEO of ProcedureFlow
Daniella has more than 20 years of entrepreneur experience in high growth software technology companies. Most recently she was the EVP Customer For Life at Radian6 and Salesforce where she led customer success growth strategy. Prior to Radian6, Daniella led customer solutions delivery at Q1 labs, Alcatel and iMagicTV. She is now the CEO of Gemba Software Solutions Inc. Daniella is passionate about coaching startups, has a never ending supply of energy, an unquenchable curiosity, and a heartfelt philanthropic commitment.
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About ProcedureFlow: ProcedureFlow mission is to make your employees experts faster.
Graham Sibley
CEO of Collabware
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About Collabware: Collabware simplifies information compliance with intelligent archiving, discovery, and records management solutions.
Philip Tabet
Co-Founder & CEO of Buildmetric
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About Buildmetric: Buildmetric develops a business management software for the trades and services industry.
Scott Campbell
CEO of Solv3D
Scott comes from a technology background, having held a variety of positions in hardware and software companies, including CEO at Nautel and Medusa Medical. Scott recently ran the Canadian subsidiary and then lead the Global Shared Services team at Solium Capital. He brings the experience necessary to build out teams, making them efficient and effective.
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About Solv3D: Solv3D specialize in developing tools that enable people to effectively use large 3D point clouds.

Rajah Lehal
Founder, Chief Executive Officer of ClauseHound
Rajah Lehal, JD/MBA – Founder & CEO of Clausehound. Prior to launching Clausehound, Rajah worked in the technology industry for over a decade. Rajah then completed his JD/MBA at Western University. Rajah worked at Stikeman Elliott (the top Canadian transactional law firm) and Clyde & Co (a large international law firm) as a technology transaction lawyer, before solely founding and growing the law firm Cobalt Lawyers which he grew from zero to four hundred clients, and which has a team of six full time team members as well as contract employees. Rajah has also launched Multiplicity Media with a co-founder: Multiplicity is a tech blog and entrepreneur education events group that has hosted nearly two hundred events in Toronto (http://multiplicity.media/). Both Cobalt Lawyers and Multiplicity are now being operated by their respective management teams. Rajah is focused on the growth of Clausehound (his third business) and is head of the Clausehound sales and marketing team.
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About ClauseHound: ClauseHound is transforming the legal drafting and review workflow for legal and business professionals.