Our Team

Denis P. Kelleher, Chairman and Founder
With over 40 years of experience in the financial industry, Mr. Kelleher  provides the vision and leadership that enables Wall Street Access to evolve one step ahead of the market.
Seeking a better life, Mr. Kelleher got his start on Wall Street in 1958 as a messenger at Merrill Lynch, Pierce, Fenner & Smith after arriving from Ireland. While attending night classes at St. John’s University, Mr. Kelleher worked his way through the ranks at the firm where he held a variety of operational positions.
Mr. Kelleher then moved on to become a founder of the investment firm  Ruane Cunniff & Co., Inc., best known as the advisor and distributor of  Sequoia Fund for which he also served as Vice President and Treasurer.
With the experience of helping to manage one of the most prominent investment funds in the world, Mr. Kelleher struck out on his own in the mid 1970s, founding one of the first discount brokerage firms and later in 1980 formed Wall Street Access as a clearing firm. Over the past 30 years, Wall Street Access has grown and diversified, building a number of successful financial services businesses and has gained a reputation as one of the best-managed, best-capitalized independent firms in the industry.
Mr. Kelleher is past Chairman and a member of the Boards of St. John’s  University and the Metropolitan Museum of Art, and is Director of the  Staten Island Foundation and the New Ireland Fund, Inc, as well as an  economic adviser to the Prime Minister of Ireland. He is also the recipient of numerous honors, including the 1995 Ellis Island Medal of Honor, and a Doctor of Commercial Science degree from St. John’s University, and an honorary Doctorate from the National University of Ireland. Mr. Kelleher is a graduate of St. Brendan’s College and of St. John’s University.  Mr. Kelleher holds the following licenses: Series 7, 63, 24 and 27.

Arthur L. Goetchius, Chief Executive Officer
Mr. Goetchius served as the firm’s Chief Financial Officer from 1986 to 1993 and rejoined Wall Street Access as COO in 2005. He has over 25 years of experience in the financial services industry and is responsible  for finance, compliance and human resources. He graduated Cum Laude from Seton Hall University and had been a certified public accountant  with the firm of Touche Ross & Co. Mr. Goetchius holds the following  licenses: Series 7, 63, 8, 14, 24, 27, 53 and 65.

Sean M. Kelleher, President
Mr. Kelleher joined Wall Street Access in 1992 and has helped guide the firm through successful ventures in online brokerage, institutional research and trading and asset management. He manages a team of traders and salespeople and is responsible for providing leadership and awareness of the firm’s execution and research offerings. Sean is a graduate of Wagner College, sits on the Wagner College Finance Committee and is co-chair of the Staten Island Film Festival. He holds the following licenses: Series 7, 63, 4, 9, 10 and 55.

Colleen Kelleher Sorrentino, CFA, Managing Director
Colleen launched Wall Street Access’ asset management business in 1995 and works with high net worth individuals, families, foundations and corporations to build diversified, multi-asset class portfolios of cash, bonds, stocks, mutual funds, ETFs and REITs for their liquid assets. In addition to building appropriate portfolios, Colleen provides advice and a wide range of services in: alternative investments, cash management, concentrated stock, income needs, estate planning, insurance and annuities, lending, mortgages, retirement planning, 401Ks and IRAs, solutions for business, trusts, college planning and 529 plans. Colleen is a graduate of the University of Rochester with an MBA in Finance from the Stern School of Business at New York University. Colleen was awarded the Chartered Financial Analyst designation in 2000. In 2008, Colleen was selected as one of the “50 Most Influential Women” by the Irish Voice magazine. She was awarded “The Wealth Manager of the Year” award in 2011 by Manhattan Magazine and has been featured in ProActive Advisor Magazine.  Colleen is a member of the Executive Women's Council of the SIEDC.

Dana A. Pascucci, Managing Director, Institutional Sales and Trading
Dana A. Pascucci, Managing Director of Institutional Sales and Trading at Wall Street Access, has 15 years of experience in the financial services industry. In previous positions, Mr. Pascucci served as producing manager and played an integral role in market making, research, corporate access, and investment banking businesses.
Previously, Mr. Pascucci was Managing Director of Institutional Sales Trading at Rodman & Renshaw, where he covered U.S. hedge funds, mutual funds, and banks. Prior to his time at Rodman, Mr. Pascucci served as Senior Vice President and Managing Director of Institutional Sales and Trading at Hudson Securities. He began his career as an Institutional Sales Trader at Schwab Capital Markets where he spent six years before moving on to serve in the same position for E*Trade Capital Markets. Mr. Pascucci earned his Bachelors's degree from Arizona State University and holds the following securities licenses: 7, 63, 55, and 79.

Christopher DeMeo, FSA, CFA, Partner and Co-CEO, CIO

Chris DeMeo has 27 years of experience in investment management, capital markets and consulting. Before co-founding Nu Paradigm, DeMeo was Head of Investment, Americas at Towers Watson, and was responsible for leading the Americas investment business which had more than 200 clients with over $600 billion under advisement and $20 billion in oCIO. He was responsible for developing and implementing investment solutions for a number of the firm’s major clients, including strategic asset allocation, portfolio construction and alternative investments. Prior to Towers Watson, DeMeo was Director, Investment Strategy at Russell Investments where he led the team that delivered investment strategies for retirement plans, foundations & endowments, operating assets and insurance companies. Previous roles included Director, Retirement Capital Solutions at Merrill Lynch where he advised numerous Fortune 500 retirement plan sponsors on developing and implementing innovative investment solutions; and Vice President, Global Structured Products at Bank of America where his team developed and marketed fixed- income structured solutions for the institutional retirement and insurance markets.
Chris earned a B.A. in Mathematics and Philosophy from Syracuse University. He is a Fellow of the Society of Actuaries (FSA) and a Chartered Financial Analyst (CFA) charter holder. He also regularly presents at investment industry conferences on a wide range of topics including strategy, risk management and alternative investments.

Russell O'Brien, Esq., Partner and Co-CEO
Russell O’Brien has 29 years of experience in the investment management industry as both a manager and individual contributor. Before co-founding Nu Paradigm, O’Brien was Director and Senior Member of the business development and investor relations unit at FLAG Capital Management, a private equity firm offering a diverse array of private capital market exposures. Prior to that, he was Managing Director, Head of Institutional Sales & Consultant Relations – North America at Nexar Capital, a hedge fund established by the former team of Société Générale. Before Nexar, O’Brien was Director of Alternative Investments for Russell Investments U.S. Institutional Investor Services, where he was responsible for providing institutional clients with advice and solutions regarding their exposure to private equity, hedge funds, and real estate. Prior to this, he was Director and Head of Institutional Sales & Marketing, North America, Portfolio Transition Services for Credit Suisse. O’Brien also previously held positions at David L. Babson & Co. and State Street Global Advisors, where he was part of the original team that formed SSgA’s Advisory Strategies Group.
Russell is an attorney and is Series 65 and 63 registered and has also passed the Series 7, 9, and 10 exams. He is a graduate of Suffolk University Law School where he was awarded his J.D. and is also a graduate of Tufts University where he earned a B.A. in Social Psychology. He is a member of the New England Employee Benefits Council and the Massachusetts Bar Association

Thomas Burnett, CFA, Vice Chairman and Director of Research
Mr. Burnett provides market insights to our trading personnel based on 30 years of experience in domestic and international equity trading, risk arbitrage and equity research. Prior to Wall Street Access, Mr. Burnett held several positions at Merrill Lynch including managing director in charge of the international equity department, director of research, and manager of the risk arbitrage department. Mr. Burnett is a graduate of Williams College and the Graduate School of Business of Stanford University. Mr. Burnett holds the Supervisory Analyst designation and the following licenses: Series 7, 63, 4, 16, 65, 86 and 87.

Greg Viscovich, Chief Compliance Officer
Mr. Greg Viscovich is the Chief Compliance officer of Wall Street Access.  He Joined the Firm in July 2008. Prior to joining Wall Street Access, Mr. Viscovich was the CCO of Hapoalim Securities USA, Inc. and held Compliance Director positions at Investec Ernst & Company and Maxim Group LLC.  Mr. Viscovich began his career in the securities industry in 1995 and has worked in retail sales, discount brokerage and equity trading.  Mr. Viscovich holds the following licenses: Series 4, 7, 9, 10, 14, 24, 53, 55, 63, 87 and 99.

William Lavin, Senior Vice President of Operations 
Mr. Lavin is the Senior Vice President of Operations. Since joining Wall Street Access in December 1996 Bill has held a number of trading and customer service positions. Prior to joining WSA, Bill worked at the Boston Group and Royce Investment Group as an account executive. Bill graduated from Boston University with a BS in Business and studied abroad in Brussels, Belgium. Mr. Lavin holds the following NASD licenses: Series 7, 63, 4, 9, 10, 14, 3, 24, 53, 99 and 55.

Asset Management

We provide comprehensive investment management, financial planning and fund management solutions to an array of clients including private investors, institutions, pension plans, government funds, trusts, estates, foundations and endowments.

Partner With Us

Our platform and culture enable Wall Street Access to operate a number of financial services businesses. We have built a reputation as a preferred partner for leading professionals, new ventures, and mature businesses seeking a new phase of growth.

Institutional Research

The seasoned Merger Arbitrage team provides deep insights into the financial, legal and regulatory aspects of announced merger and acquisition deals in the U.S. and Canada that are greater than $500MM.

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