About Us

Rialto Markets LLC, a FINRA Member broker-dealer, aims to empower companies to raise money through our unrivalled expertise in crowdfunding and institutional investment. For this, Rialto offers its Primary and Secondary services as a licensed broker-dealer in all 50 states and Puerto Rico.

Rialto Primary supports companies looking to raise capital and issue equity and debt securities using Regulation A+, Regulation CF and Regulation D, by providing the companies with an administrative and compliance infrastructure to receive and process investments and issue shares using online methods to retail and accredited investors.

Rialto Secondary supports the secondary markets for private shares through the Rialto MarketBoard, our Alternative Trading System (“ATS”), for trading shares of private companies, including those that may have been issued and digital securities.

A FINRA member registered in all 50 states

Rialto MarketBoard – our Alternative Trading System (ATS) empowers companies to stay private longer through secondary trading

Supports all raise types– Reg CF (up to $5m) Reg A+ (up to $75m) Reg D (institutional)

The ‘Rialto Markets Way’ enables private companies to build long term relationships and insight with their investor and advocates

Unrivalled 'Wall Street' experience within our team along equity crowdfunding and institutional investment expertise

Meet the Team

Shari Noonan

CEO & Co-Founder

Shari Noonan has more than 20 years of experience in the financial services industry. Shari has extensive experience in building and scaling operations and product development with Deutsche Bank, Goldman Sachs, and Instinet and was instrumental in the electronification of the equities market. Shari was involved in deal flow analysis and governance activities in strategic acquisitions in her role as COO of Global Equity Trading and COO of Global Electronic Trading at Deutsche Bank and while in Trading Management at Goldman Sachs. Recognizing the obstacles for issuers and investors in the private placement market, Shari saw an opportunity to leverage the founding team’s collective experience to bring efficiency to inefficient markets, inspiring her to co-found Rialto. Shari received a B.S. in Accounting from Marquette University and an M.B.A. from Columbia University and holds Series 3, 7, 24, 55, 63 registrations.

Lee Saba IPOs

Lee E. Saba

CTO & Head of Market Structure

Lee Saba brings more than 20 years of experience in the financial services industry. Prior to joining Rialto Markets as Head of Market Structure, Lee was Managing Director and Principal at Wellington Management where he was responsible for proprietary and third party multi-asset electronic trading and connectivity infrastructure. For over 17 years, Lee led and contributed to industry standards on a variety of concepts including FIX post-trade for equities, futures and FX, execution venue normalization, risk mitigation symbology and electronic trading risk controls. While at Wellington, Lee headed the inaugural IT FinTech Working Group and was a vocal advocate of the investor hub for blockchain and digital assets research. Lee currently serves as the co-chair for the FIX Trading Community (https://www.fixtrading.org) consisting of 290+ members worldwide and is also an active steering committee member for Northeastern University’s D’Amore-McKim School of Business FinTech Initiative.

Rob Noonan

CMO & Co-Founder

Rob Noonan has more than 20 years of experience in the financial services industry across the capital structure. Largely focused on pricing, data, and analytics, Rob improved Thomson Reuter’s pricing methodology with 90% greater efficiency while managing the High Yield Fixed Income Pricing Desk. Previously at Instinet, he worked as a sales trader on their ATS, matching large buy side equity order flow. Recognizing the obstacles for issuers and investors in the private placement market, Rob saw an opportunity to leverage the founding team’s collective experience to bring efficiency to inefficient markets, inspiring him to co-found Rialto Markets. Rob received his B.S. degree in Finance from Marist College.

Shawn Dunphy

Director of Administration

Shawn Dunphy brings more than 10 years of administrative expertise to Rialto Markets. Prior to joining the Rialto Markets team, Shawn supported the Chief Marketing Officer and her team at New Avon. A proven top performer, he served as the logistical backbone for the global heads of Compensation and Learning & Development at Willis Towers Watson. Shawn is a licensed Notary Public for the State of New York.

Liz Inal


Liz Inal is an experienced financial services leader with a talent for developing business strategy and operations, with a keen focus on tax, legal, and compliance. Over two decades of expertise in the financial services sector, Liz has demonstrated herself as a reputable expert in the field, having worked with traditional financial services firms and a dynamic fintech startup. Liz’s forte lies in managing high-profile client relationships and establishing workflows that deliver world-class solutions, bringing a level of efficiency and effectiveness that drives growth and profitability. Her leadership skills are evident in her track record of building and managing high-performance teams, which have resulted in her achieving notable success throughout her career. In addition to her experience in the financial services industry, Liz is an excellent communicator, and her speaking engagements on business strategy, operations, tax, legal, and compliance are highly valued by colleagues and clients alike. She has emerged as a respected thought leader in the industry, thanks to her valuable insights and expertise.

Ryan Simmons

Chief Risk Officer & Head of Operations

Ryan Simmons has over 20 years of experience in the financial services industry, focusing on Operations and Client Services. Ryan has formed and managed teams within equity trading operations, securities middle office and settlements, operations client relationship management, client transition and onboarding, and operations efficiency strategies at Deutsche Asset Management, Goldman Sachs and Morgan Stanley. Ryan started his career at the New York Stock Exchange where he worked as a runner and is now leading the effort to bridge the divide between traditional capital markets and digital securities with a focus on operational efficiency, risk management, and the client experience. Ryan received his B.A. from New York University and holds Series 7, 27 & 55 registrations.

Greg Sullivan

Head of Business Development

Greg Sullivan leads Rialto Markets’ advisory services team. He has more than 20 years of experience in the financial services industry with extensive product knowledge across multiple asset classes and a proven track record of building relationships with buy-side, sell-side, and other industry participants. Prior to Rialto Markets, Greg served as Head of Business Development for ERC dEX, a trading platform for ERC20 tokens. Previously, Greg was an institutional convertible bond salesperson at Lehman Brothers and Royal Bank of Canada. Greg received a B.A. in History from Ohio Wesleyan University and holds Series 7 & 63 registrations.

Yerine Lee


Yerine Lee is a seasoned professional with a wealth of experience in analytics and financial data. Her deep understanding of the intricacies of data analysis has equipped her with the tools and expertise necessary to excel in her role at Rialto Markets, where she is an integral member of the team. Prior to joining Rialto Markets, Yerine worked as a Data Specialist at Boston College, where she was responsible for analyzing and interpreting large data sets to support research projects and inform decision-making processes. Her meticulous attention to detail and analytical prowess allowed her to deliver insightful and accurate results, earning her a reputation as a trusted expert in her field. Yerine holds a Bachelor of Science degree in Political Science and Government from Miami University, where she developed a strong foundation in critical thinking, research, and analysis. She went on to earn her Master of Business Administration degree from Boston College, further solidifying her expertise in financial analysis and data-driven decision making.


Charles Senatore

Charles Senatore is a member of the Massachusetts Securities Division’s Fintech Working Group. He serves as a Professor of Compliance and Regulatory Strategy at the University of Chicago Law School and is a guest lecturer at Harvard Law School, NYU Law School and Northeastern University. A former head of risk oversight for Fidelity Investments’ Devonshire Investors unit focusing on compliance, risk, and regulatory affairs for Fidelity Investments’ private equity, venture, and strategic investing efforts. Mr. Senatore headed global compliance programs at Fidelity Investments and Merrill Lynch.

Sarah Biller

Sarah is an entrepreneur, executive & educator with experiences founding start-ups and innovating in large, incumbent firms in the Financial Services, Life Sciences and Telecom sectors. Sarah is the Executive Director of Vantage Ventures and the co-Founder of FinTech Sandbox, a Boston-based not for profit that provides entrepreneurs access to high quality data sets, and Capital Market Exchange (CMX), a predictive analytics platform for institutional bond investors. She was most recently the Chief Operating Officer for Innovation at State Street Bank’s Global Exchange division and Head of Innovation Ventures. Sarah was named by Innovate Finance as one of the Top 150 global women leaders in FinTech and Lattice80’s list of Top 100 Women in FinTech in the UK and Hong Kong. She has held roles at Fidelity Investments; worked on MCI’s corporate venture team; and launched and led research divisions for Fortune 500 CFO’s and treasurers at the Corporate Executive Board.

Tom Clarke

Tom is a senior financial and services information and digital media executive with over 30 years of operating experience in both US and international markets. Tom has a proven record as a senior leader in both public and private companies. Tom`s broad skill set includes public board and committee stewardship; management; technology; operations; new business ventures; acquisitions; capital raising; and innovative new product development. Tom currently is a managing director at KHTC Capital. He was the CEO of Weiss Group and TheStreet.com