Making a Difference at Riverstone Advisors

About Riverstone Advisors: Team & Resources

Our expert team and curated resources are built to support tech founders, business owners, and executives. We provide tailored financial strategies and actionable insights to help you achieve lasting wealth.

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Meet Our Team

Meet the team that’s here to support you every step of the way. We’re a group of experts who care about your goals and work together to help you reach them.

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Leslie J. Lammers, CFA

Principal

Leslie founded Riverstone to create personalized portfolios. She’s CEO, Co-CIO, a CFA, and enjoys family, dancing, and live music.

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John A. Hanson, CFA

Principal

John, Co-CIO since 2012, combines engineering & finance to help clients. He values integrity, serves on boards & enjoys family, fly fishing + triathlons.

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Matthew Williams

Director of Financial Planning

Matthew helps clients build wealth & achieve their goals, while enjoying snowboarding, weightlifting + time with his husband & their two dogs.

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Allison Rickerson

Client Services & Operations Associate

Allison brings strong organization & a Series 65 license. She volunteers mentoring women, has 3 kids + enjoys reading, crafts, & family travel.

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Job Postings

Join Our Team

We're always interested in speaking with talented individuals who are looking for a change. Please reach out to info@riverstoneadvisors.com to express interest.

INVESTMENT analyst