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Our Contributors

Meet our writers.

Adam Grealish

Director of Investing

Adam Grealish is Director of Investing at Betterment. Prior to joining Betterment, Adam was a vice president at Goldman Sachs, where he traded macro credit products. Adam holds an honors degree in economics from University of Chicago.

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Bobby Glotfelty

Investment Advisor Representative

Bobby Glotfelty is an Investment Advisor Representative at Betterment, specializing in account transfers and rollovers. He graduated from the University of Wisconsin - Milwaukee with a master’s degree in financial analysis and investment management and bachelor’s degree in economics and mathematics. He holds his Series 65. Prior to joining Betterment, Bobby was a senior investment products specialist at Northwestern Mutual.

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Boris Khentov

SVP of Operations & Sustainable Investing

Boris brings a unique mix of engineering skills and legal and regulatory experience to the team. Prior to joining Betterment, Boris practiced tax and capital markets law at Cleary Gottlieb Steen & Hamilton LLP, and has a J.D. from Northwestern Law. Before that, Boris was a software engineer at Antenna Software, and has a B.A. in Computer Science from Harvard University.

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Brian Pollack

Senior Strategic Insights Manager

After leading customer support at Betterment for several years, Brian now uses his industry knowledge and servicing knowledge to drive innovation within the company. In his spare time you can find Brian skateboarding and drinking iced coffee.

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Chrissy Celaya, CFP®

Customer Growth Manager

Chrissy Celaya is a Certified Financial Planner™ and manages Betterment’s licensed concierge service. Her team uses an advised approach to helping customers navigate complex onboarding and account transitions. Chrissy is also a champion for innovation within Betterment, using her team’s day-to-day conversations to drive new product development. She has a BS in Personal Financial Planning from Texas Tech University and prior to joining Betterment she worked for both USAA and Merrill Lynch.

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Corbin Blackwell, CFP®

Financial Planner

Corbin Blackwell is a CERTIFIED FINANCIAL PLANNER™ who works directly with Betterment customers to help them achieve their financial goals. Corbin has several years of experience in wealth management, and is passionate about helping customers in every phase of life succeed financially.

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Dan Egan

VP of Behavioral Finance & Investing

Dan Egan is the VP of Behavioral Finance & Investing at Betterment. He has spent his career using behavioral finance to help people make better financial and investment decisions. Dan is a published author of multiple publications related to behavioral economics. He lectures at New York University, London Business School, and the London School of Economics on the topic.

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Devin Burnette

Lead Site Reliability Engineer

Devin Burnette is a Lead Site Reliability Engineer at Betterment where he’s helped redefine what cloud infrastructure looks like for a modern financial services organization with open source tools and well tested code. At work, Devin is most in his element when solving hard problems. Outside of work, he’s a pool shark on the weekends, and Mariah Carey’s biggest fan.

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Eric Bronnenkant

Head of Tax

Eric is Betterment's Head of Tax. His experience includes working for Ernst & Young and Fidelity Investments. Eric holds M.S. degrees in Accounting and Taxation from Seton Hall University as well as an MBA in Quantitative Finance from NYU. He also serves as an adjunct taxation professor at Seton Hall University.

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Jamie Cartwright

Senior Product Manager

Jamie Cartwright leads Betterment's website development, content, and growth product experiences. A content creator at heart, Jamie writes on topics related to personal finance, advisory growth, and technology.

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Joe Wang

Customer Experience Supervisor

Joe Wang supervises a customer support team at Betterment. Answering customer questions on a daily basis, Joe provides over-the-phone technical answers, and he uses feedback to drive product innovation at Betterment.

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John Wittig

Investment Advisor Representative

John is a Investment Advisor Representative at Betterment and specializes in onboarding, account transfers, and explorative conversations with prospective customers. He is a registered investment advisor and holds a Series 66 license, previously worked at Charles Schwab, and graduated from the University at Buffalo.

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Jon Stein


Jon Stein is the founder of Betterment. Passionate about making life better, and with his experience from his career of advising banks and brokers on risk and products, he founded Betterment in 2008. Jon is a graduate of Harvard University and Columbia Business School, and he holds Series 7, 24, 63, and is a CFA charterholder. His interests lie at the intersection of behavior, psychology, and economics. What excites him most about his work is making everyday activities and products more efficient, accessible, and easy to use.

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Logan Sachon

Insurance Editor

Logan Sachon is an insurance editor at Policygenius in New York City. She is the co-founder of The Billfold, a groundbreaking personal finance site for millennials that was named one of Time's 25 Best Blogs of 2012. Her work has been published in New York Magazine, Glamour, The Guardian, BuzzFeed and more.

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Matthew Murphy

Quantitative Investing Associate

Matt works within Betterment's investing team with a focus on developing the models used to inform our products and advice. With a background in risk management, Matt previously worked at Fidelity and received a B.S. in Quantitative Finance from Stevens Institute of Technology.

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Ming Jia

Trading Manager

Ming Jia manages trading and investment operations at Betterment. With a background in foreign exchange and securities trading, Ming previously worked at Credit Suisse and studied Economics and Finance at NYU's Stern School of Business. Ming holds Series 57, 63, and 7 certifications.

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Morgan Housel


Morgan Housel is a partner at the Collaborative Fund, a venture capital firm backing companies moving the world forward.

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Rukun Vaidya

Senior Director of Trading and Investing

Rukun is the Head of Trading at Betterment. Before joining Betterment, he worked at Highbridge Capital Management. He's decent at math, statistics, and Trivial Pursuit. He's a graduate of Cornell University and strongly believes The Sopranos is the greatest television show of all time.

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Sam Moore

Senior Staff Engineer

Sam is a Senior Staff Engineer at Betterment where he collaborates with various teams to build better software and a shared culture of values and principles. At work, you'll usually find him solving problems that make his and his teammates’ lives easier. Outside of his passion for programming, Sam has deep appreciation for The Lord of the Rings, garden gnomes, and tortellini.

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Sebastian Rollén

Quantitative Investing Associate

Sebastian Rollén is a quantitative investing expert at Betterment, where he develops models that inform our products and advice. Previously an associate at a boutique investment firm, Greenbridge Partners, Sebastian holds degrees in Economics and Physics at the University of Pennsylvania.

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Seth Rosenbloom

Associate General Counsel

Seth is Associate General Counsel at Betterment. Seth previously worked at Davis Polk & Wardwell and was a law clerk for a federal judge in New York. He received a J.D. degree from Columbia University and B.A. from Stanford University.

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Sherrill St. Germain

Financial Columnist

A former fee-only planner, Sherrill St. Germain, CFP®, brings a decade of financial planning experience to content she develops for financial services professionals, firms, and publications. She holds a B.S. in Electrical Engineering from Tufts University as well as an MBA from Clark University. Her work and ideas have been featured in books, online, and in magazines including Kiplinger Personal Finance, The Wall Street Journal and Financial Planning Magazine. She can be found at SherrillStGermain.com.

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Volodymyr Chernat

Senior Quantitative Researcher

Volodymyr Chernat is a Senior Quantitative Researcher with extensive experience in statistical methods in finance and trading strategies. He holds MBA from Leonard School of Business with concentration in financial instruments and markets and previously worked as researcher in equity derivatives at J.P. Morgan.

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Zack Sigel

SEO Managing Editor

Zack Sigel is a SEO managing editor at Policygenius, a digital insurance marketplace and publication. Policygenius and Betterment partner to publish life insurance content for investors.

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