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Granite Analytics is a data analytics company based in Massachusetts.


Brent Johnstone, CEO

Prior, Brent co-founded Quarry Capital Management, LLC, a Boston-based private equity firm. Brent served as CEO of Royal Pet Supplies, Inc., a Quarry Capital portfolio company, between 2010 and 2012. Brent has worked in various roles at Thomson Financial,, Lehman Brothers and Morgan Stanley. Brent co-founded, a financial analytics company that was awarded Forbes Best of the Web in 2000.

Harvard College, Harvard Business School, and a CFA® charterholder.


Mark Sanders, CIO

Prior, Mark was as an Analyst for online retailer, Rue La La, working on multiple SaaS, reporting and operational initiatives. Mark also served as a Product Manager and Director of Engineering at Fidelity Investments supporting & developing multiple high-profile brokerage applications. Mark has 20+ years of experience working with various database, analytic and reporting technologies. Mark is a Tableau Desktop 9 Certified Professional.

University of Vermont with a degree in Mechanical Engineering.