A partner-led company.

Spencer Gareiss

Founder, Managing Partner & CEO of Greenridge Group and author of Mental Models. At Robinhood he built Robinhood Derivatives from zero to one and led launches across short selling, the Legend trading ladder, the Cortex scanner, and Robinhood Ventures, earning the firm's Founder's Award. He is co-founder of /mkt and chairman of Lifted Ventures, passed the Series 7, 24, 79, 65, and 3 exams and CFA Levels I and II in the 99th percentile. He has served on committees of SIFMA and the Florida Securities Dealers Association. A summa cum laude graduate of Arizona State (Barrett Honors) and a Captain in the U.S. Army Reserve, decorated with the Army Commendation Medal.

As heard on: the RGV Business Journal podcast, Episode 52, on selling the family business.

Amy Herrera

Co-founder and board director of Lifted Ventures, a profitable CPG, distribution, and e-commerce company serving customers nationwide, and a six-year PepsiCo veteran across key-account and foodservice sales. A Captain in the U.S. Army Reserve who oversaw S1 operations for a 600-soldier aviation battalion, decorated with the Army Achievement and Benjamin Harrison Medals and a Distinguished Honor Graduate of her officer leadership course. She holds an MBA, earned with a 4.0, from Liberty and a degree from Texas A&M.

Roberta Vassallo

A securities attorney barred in New York and the District of Columbia, Roberta spent over 15 years inside the regulators she now helps clients navigate, Senior Counsel in the SEC's Office of Compliance Inspections and Examinations, Principal Counsel for Enforcement at FINRA, and Senior Regional Attorney at the FDIC. She is Managing Partner and General Counsel of Greenridge Group, CEO of VGCCO, and CCO of Greenridge Wealth, advising on Regulation D and blue sky compliance, investment adviser registration, multi-state money transmitter licensing, venture fund formation, and more. JD, California Western School of Law (Dean's Honor List); PhD, Washington University in St. Louis.

Christina Paris

Founder & CEO of Paris CFO Strategies, with a private-equity background and more than a decade of accounting leadership across Aprio, Wipfli, and American Axle & Manufacturing, where she served as assistant controller. She holds a Master of Accounting from Indiana Wesleyan and leads finance, reporting, and the operating model across the group.

Micale “Mick” Allen

A partner operating coast to coast at the intersection of sports finance, institutional partnerships, and venture strategy. He serves as Senior Vice President of Business Development for Blockchain Market (/mkt) and Director of Bowl Partnerships for the U.S. Army Bowl. At X10 Capital and Big League Advantage he sourced equity investments in future athlete earnings, and at the NFL Players Association he ran event logistics and player marketing. MS, SNHU; BS, Morgan State. Recognized by Front Office Sports, Forbes the Culture, and the National Football Foundation.

E. D. M.

A data-driven marketer who leads brand and marketing for Greenridge Group. He began his career in data science and business intelligence before building social and growth for leading Web3 platforms, rising from Social Media Manager to Head of Marketing at Galxe, a leading Web3 growth platform. He holds an MSc in Business Analytics with Distinction and a BSc in Management from Bayes Business School (City St George's, University of London), and is a former Italian national MMA champion at 77 kg.

Noah Rischitelli

Noah runs deal operations for Greenridge. He was part of the 0-to-1 team behind Zillow Offers, running acquisitions for Zillow Group through its hyper-scaling years, and before that sold luxury real estate in Scottsdale with Berkshire Hathaway and spent time in Southwest Airlines flight operations. He graduated with a 4.0 in his BS in Accounting from Arizona State, where he was named Dean's Medalist, and is a Certified Management Accountant (CMA). With more than 200 skydives to his name, he prefers to build the future on the go.

Ritzy Dominguez

Ritzy runs product for Greenridge Technologies, turning ideas into shipped software. A mathematics prodigy and collegiate golfer from the Rio Grande Valley, she led the build of Underridge, the group's deal-analysis and underwriting platform, and keeps the product team moving from spec to launch across the Greenridge software suite.

Taylor Unger

A software engineer specializing in full-stack development, Taylor earned her Bachelor of Science in Computer Science from Purdue University. She is driven by the potential of software to transform how businesses operate, designing intelligent, scalable solutions that simplify complex processes, improve efficiency, and create lasting value for the organizations they serve.

Starr Barrientos

Starr keeps Greenridge running day to day, coordinating office operations, onboarding, and executive support across the group. She owns the operational cadence that keeps the team moving, from the McAllen office to cross-project coordination.

Ashleigh Clyde

Ashleigh supports Greenridge's legal and compliance work, from intellectual-property and trademark filings to entity formation and insurance. She pairs finance with law: a degree in quantitative finance from Hollins University, a CFA candidacy, and a J.D. in progress at the University of New Hampshire Franklin Pierce School of Law. She came to Greenridge from RBC Capital Markets, and previously worked at the U.S. Copyright Office.

Mariam Chikhradze

Mariam supports Greenridge's legal and transactional work across the group. An experienced attorney with close to a decade in practice, she spent six years as Associate General Counsel at Bank of Georgia, one of the largest banks in the Republic of Georgia, advising on banking, finance, and regulatory matters. She holds an LL.M. from Cornell Law School and a Bachelor of Laws from Free University.