About Us

Seldon Clarke has honed the abilities to identify and quantify investment opportunities in his 40+ years of financial experience. Now an Executive Director – Investments in the Chrysler East office of Oppenheimer & Co. Inc., he seeks to establish a trusting relationship and open communications with each investor he works with, which enables him to capture their needs and, in collaboration with the Oppenheimer Asset Management team, tailor specific solutions for them.

Seldon began his career in 1980 at Bear Stearns on the options and Canadian institutional desks. He then moved to the NYSE floor. For 25 years, his firm 508 Securities served the needs of family offices, corporate treasuries, buy-side investment firms and hedge funds. In 2006, Seldon and a partner launched the Chaplin Global Fund, a long/short global equity strategy that invested in more than 40 countries around the world. Subsequently, he founded New Jersey-based Triton Trading, which utilized a proprietary quantitative trading platform.

Seldon graduated from Washington and Lee University. He holds the General Securities Representative License (Series 7), the Uniform Securities Agent State Law Examination (Series 63), the Uniform Combined State Law Examination (Series 66), the General Securities Principal Examination (Series 24) and is also licensed for insurance.

He and his wife have been married for 40 years and have four sons. Seldon has served the Dana Farber Cancer Institute as a member of its Jimmy Fund Visiting Committee for 15 years. And as an avid cyclist, he has participated in the Pan Mass Challenge for the past 25 years raising funds for the Institute’s pediatric oncology department.

Sonoma Adams is a Financial Professional for the Clarke Team where she works alongside a team dedicated to helping individuals, families, and professional athletes develop thoughtful, long-term wealth management strategies. She is committed to building lasting relationships with clients by understanding their financial goals and needs backed by Oppenheimer's extensive investment and planning resources.

A 2026 graduate of Dartmouth College, Sonoma earned a Bachelor of Arts in Politics, Philosophy, and Economics (PPE). During her time at Dartmouth, she competed as a Division I student-athlete, an experience that strengthened her discipline, leadership, and ability to perform in high-pressure environments while balancing demanding academic and athletic commitments.

At Oppenheimer, Sonoma is training under experienced Financial Advisors and gaining expertise in investment management, financial planning, retirement strategies, insurance solutions, and wealth preservation. She is particularly passionate about helping clients—including athletes and young professionals—build strong financial foundations and make informed financial decisions.

Originally from Northport, New York, Sonoma values integrity, communication, and a relationship-first approach to advising. Outside of the office, she enjoys running, practicing yoga, cooking, reading, and playing golf, and believes these interests reflect the balance, discipline, and lifelong learning she brings to both her personal life and her work with clients.

Alexander Seremetis is a Client Service Associate for the Clarke Team, where he supports clients through proactive communication, detailed account coordination, and consistent follow‑through.

Alexander is responsible for assisting with account administration, client onboarding, documentation processing, and coordinating service requests across internal teams, helping to ensure a seamless and responsive client experience.

Originally from Brooklyn, New York, Alexander graduated in 2025 from Fairfield University’s Charles F. Dolan School of Business, where he earned a Bachelor’s degree in Finance. He is also a committed member of the Kimisis Theotokou Greek Orthodox Church, where community involvement and service play an important role in his life.

Outside of his professional responsibilities, Alexander enjoys traveling throughout the Mediterranean with friends and family, maintains an active lifestyle through running and playing basketball, is an avid fan of mystery novels and movies, and has a strong interest in food and cooking