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About Us

Meet the Team at Our Investment Advisor and Brokerage Firm

The following professionals are the lead contacts for each of our service areas.
Please hover on any team member’s photo for their complete bio.



Nicholas H. Stonnington


Nicholas H. Stonnington

Managing Member

Nick has been a wealth advisor since 1983. He founded Stonnington Group in 2004 to better serve clients by offering them a platform for independent fiduciary advice. The Stonnington Group team manages client investments and advises on their businesses.

Nick was ranked #1 in Los Angeles by Registered Rep Magazine in 2002 for "America's Best Wealth Advisors." He is a sought after investment expert and has served as a frequent guest commentator on KFWB News 98 (Los Angeles). Nick's expert commentary has been featured in such publications as the Wall Street Journal, Los Angeles Times, New York Times, Investment News, and Investment Advisor. His research has been published in the Family Wealth Report and he has written articles on investing for numerous industry journals including currently, Worth Magazine.

He has presented at industry conferences on topics related to philanthropy and socially responsible investing, including at the Milken Global Conference.

Nick has served on numerous government commissions including the Los Angeles Fire & Police Pension Department (President of the Board), Los Angeles Fire Department and Los Angeles Planning Department. His philanthropic activities include serving on the national board of Girl Scouts of the USA, and the boards of The Music Center, LA Opera, United Way of Greater Los Angeles (Chair of Tocqueville Society), Los Angeles County Natural History Museum (board member until July 2015), American Friends of Salzburg Festival, Santa Barbara International Film Festival, Pacific Oaks College, Don Bosco Tech High School and co-chair of the San Marino Library campaign. His awards include Father of the Year, the Governor’s Award from the Pacific Coast Circuit of the United States Polo Association and the Linfoot Award for his contributions to the sport of polo.

Nick is also the owner of Worktray, LLC, a business solutions platform that helps organizations implement human capital management solutions for workforce excellence; offering HR, Timekeeping, Payroll, Scheduling, Accruals, ACA Manager, Retirement, Benefits and more. (www.worktray.com)  He graduated from Dartmouth College in 1978.

Nick holds the following securities licenses: 4, 5,7, 24, 27,31,53,55,63 and 65.


Client & Business Development

Nicholas H. Stonnington, Jr., AIF®, CPFA

Vice President

Nicholas Stonnington, Jr.

Financial Consultant

Nicholas joins Stonnington Group’s wealth management team as a financial consultant with a focus on portfolio development and assisting clients with their financial goals and investment objectives.   His other responsibilities include business and client development; devising strategies to expand the depth and breadth of services Stonnington Group offers to its current clients and clients of the future.  His prior work experience includes working in wealth management at Bank of America Merrill Lynch where he gained fundamental knowledge of the financial services industry.  Additionally, he worked as a technology consultant in data management and network security for Oracle, a multinational computer technology corporation.  In addition, Nicholas has been part of several start-ups, both as a founder and an advisor.  Nicholas holds a B. A from the University of California, Berkeley in Economics which he obtained in 3 years.  Nicholas is conversationally fluent in Russian which he was able to obtain through his studies at U.C. Berkeley, his time studying abroad at Saint Petersburg State University (Санкт-Петербургский государственный университет), and his experience coordinating with Russian nationals in web and application development.

He holds the following securities licenses: 7 and 66.



Attila Soos

Chief Financial Officer

Attila Soos

Chief Financial Officer

Attila Soos is the Chief Financial Officer and oversees all financial activities of the firm. Attila oversees the preparation of financial reports, accounting duties, budgets, business banking, audit functions and economic forecasts.

He joined Stonnington Group from The Seidler Companies Incorporated, where he was the Controller and managed the accounting department. Before Seidler, Attila worked in the Los Angeles ofice of Deloitte & Touche, LLP, and the Boston Group. He was a member of Deloitte's audit team, providing audit services for clients in the financial services sector in Southern California. He has also previously worked for public accounting firms in Vancouver, British Columbia.

Attila is also currently the CFO for Worktray, LLC, the Stonnington Family Office, and Amandine LLC.  During Nicholas Stonnington’s ownership of QBI, LLC, Attila was the controller of that company.

Attila is currently an active member of CPA Canada (Chartered Professional Accountant). He obtained his accounting designation as a Certified General Accountant from the Vancouver chapter of Certified General Accountants Association of British Columbia, where he conducted his studies in accounting and finance between 1991 and 1996. He also has a Bachelor of Science degree from University of Cluj Napoca, Romania.

Attila holds the following securities licenses: 4, 7, 24, 27 and 63.


Client Services

Alex Zepkowski, CFP® 

Financial Planner/Client Services

Alex Zepkowski

Client Services Specialist

As Stonnington Group’s client services specialist, Alex plays a critical role in the day-to-day functioning of the firm; building and maintaining a strong relationship with our client base. From client onboarding through the life span of each client’s engagement with our firm, he is responsible for ensuring that all client service and operational matters are handled in a timely, accurate and professional manner. 

Prior to joining Stonnington Group, Alex worked in Client Services at Rydex Investments, a mutual fund company in Rockville, Maryland.

He attended the University of Miami in Coral Gables, FL, where he earned a Bachelor's Degree in Finance. 

In April of 2019, Alex successfully completed all the requirements of the CFP® certification process, and is now a newly minted CERTIFIED FINANCIAL PLANNER™ professional. 

Alex holds the following securities licenses: 7 and 63.


Private Assets

Victoria K. Warren

Director of Alternative Assets

Victoria K. Warren

Director of Alternative Assets

Victoria Warren manages due diligence, financial analysis, accounting, and investor communications for private assets at Stonnington Group. Victoria has a broad range of financial management experience working for a wide variety of organizations from start-up companies to large institutions. Her experience includes financial analysis, strategic planning, and financial operations management.

Prior to Stonnington Group, Victoria managed budgeting and cost estimating for Valley Crest, managed construction funding and financing for a $1 billion capital program at the University of California, Los Angeles, and managed financial planning and analysis in the retail industry at both Kids Mart and Contempo Casuals. Victoria started her career as a research analyst at William O’Neil and Company, publisher of Investor’s Business Daily newspaper.

Victoria holds an MBA® in Finance from the University of Southern California, where she was on the Dean’s List and received a fellowship based on academic merit. Victoria also holds a BA in Mathematical Economics from Pomona College, where she graduated with Cum Laude honors and won the Lorne D. Cooke award for academic achievement in Economics.

Victoria is a board member of Orion Data Analysis Corporation, a Stonnington portfolio company, and is an advisor to Community First Initiatives, a nonprofit supporting sustainable development in Cambodia.

Chris Head Shot-2011

Compliance & Operations

Chris Saccente


Chris Saccente


Christine E. Saccente (“Chris”) serves as Stonnington Group's Chief Compliance & Operations Officer, offering extensive knowledge in investment advisor compliance, operations, auditing and accounting. She also provides the firm with broad-based experience in estate administration, retirement plan administration, and information technology. Chris is also experienced in the area of cognitive impairment and elder financial abuse.
Chris holds Series 63 and 65 Registered Investment Advisor licenses and has previously held Series 7 and 24 broker-dealer licenses.
Chris joined Maxwell Noll, Inc. in 1997 after nearly 20 years of work as an account executive at a NYSE-member broker-dealer, operations manager at a small independent broker-dealer and branch manager at a large regional bank. Her involvement with the firm has been a key part of Maxwell Noll's strategic growth from an independent broker-dealer to its present status as a SEC-registered, fee-only investment advisor. Chris takes a personal interest in the firm's day-to-day activities as well as its overall efforts to distinguish the firm for its longevity as one of the San Gabriel Valley's most trusted investment firms.
She studied accounting, business administration, economics and commercial law at Fairleigh Dickenson University and Bergen Community College, both in Northern New Jersey. Throughout the years, she has remained an active member in the Southern California Compliance Group.
In her free time, Chris advocates for community service, social justice, animal welfare and environmental issues. She is a member of the Board of Directors of Monrovia Providers Group and serves as Treasurer. She is also active in the Dementia-Friendly Monrovia Initiative, which was spearheaded by MPG and is now in its implementation phase.
Chris also serves on the Board of Directors of the San Gabriel Valley Humane Society and acts as Director of Fundraising & Outreach. In addition, she is an active member of the League of Women Voters-Pasadena Area, the Surfrider Foundation and Marin Agricultural Land Trust, and serves on the Speakers Bureau of Alzheimer’s-Los Angeles
She is a resident of Altadena, California.



Avo Yetenekyan

Portfolio Manager

Avo Yetenekyan

Portfolio Manager