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Topia Leadership

Topia’s leadership team brings extensive experience building and scaling enterprise SaaS companies. With over 30 nationalities from six continents represented on our team, Topians reflect the global mindset and diversity we champion.

Bill Mastin

Chief Executive Officer

Bill is the Chief Executive Officer at Topia.

Prior to Topia, Bill was the EVP of Sales, Account Management and Alliances at PeopleFluent, a SaaS provider that global enterprises use for their talent acquisition, talent management, and learning platforms. Additionally, Bill has held several leadership positions over 20+ years in the talent & learning space that includes NetDimensions, Saba, and IBM Global Services.

Amy Waters

Customer Success

Amy leads Customer Success and is responsible for implementing strategies that maximize customer engagement, retention and overall satisfaction.

Prior to Topia, Amy held senior Customer Success leadership roles at Ultimate Kronos Group (UKG), a SaaS provider of HRIS software that provides solutions for enterprise businesses to manage their employees’ HR experience. At UKG, she was responsible for building new Customer Success programs and operations for newly created market offerings.  Amy also held prior customer-facing leadership roles in the startup telecommunication space. Her specialties include customer-focused leadership, building Customer Success teams at rapid scale, and identifying key moments of truth and value realization in the customer experience journey.

Amy is based in Florida and holds a BA in Journalism and an MBA from The University of Georgia.

Sameer Prabhavalkar


Sameer is the Vice President of Finance at Topia. During his career, Sameer has mostly worked for start-up high-tech companies. In addition, he also worked as a Director of Internal Audit for VeriFone, a half-billion-dollar company.

Prior to joining Topia, Sameer held leadership positions at Ayasdi, YuMe, VeriFone, and Mediaplex. He has been a part of three Initial Public Offerings, and an acquisition. As a seasoned financial professional, with a Big 4 background, he has a deep experience in all aspects of financial & SEC reporting, financial system implementation, Initial Public Offerings, and M&A.

Mariann Luhaoja

People and Culture

With nearly a decade of experience in senior HR roles, Mariann leads Topia’s People and Culture function by overseeing the full cycle of employee experience and people operations globally.

She believes in the importance of seeing the people behind the roles and enjoys creating empathetic people programs. She is passionate about the technology industry and building innovative people strategies to better support the business.

Mariann holds a Social Sciences Master’s degree from the University of Tartu and Applied higher education in Business Management from the Estonian Entrepreneurship University of Applied Science, specializing in Human Resources.

Jason Tecson


Jason is a seasoned information technology and security leader with in-depth knowledge of, and experience in, information security, cloud operations and corporate information technology. He has a successful track record of building, leading, motivating and managing international teams of highly skilled professionals while aligning company initiatives with a strong security vision and strategy.

Scott McKinnon


Over his 20-plus year career, Scott has built a reputation in the talent acquisition and learning space for successfully restructuring organizations to drive top-and-bottom line objectives. He has managed international sales teams at a number of large-scale organizations and has consistently implemented go-to-market strategies that drive sustainable growth.

Chris Harding

Product and Engineering

Chris has led the technology and digital transformation functions at some of the world’s largest and most well-known companies, including JP Morgan Chase, Nestle and IBM. Chris is the Chief Technology Officer at Topia, focusing on strategic ways to deliver the best possible technology solutions for our customers.

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