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Where are you today and where do you want to be tomorrow? We recognize that a lasting relationship starts by listening and understanding your priorities and concerns. We'll work together to look at the big picture, discuss your vision for the future and help you confidently pursue your life goals.

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Jay Diesing

Senior Vice President–Wealth Management

A 1981 Phi Beta Kappa economics graduate of Washington & Lee University, Mr. Diesing and his wife, Jeanne Lynch Diesing, have 3 children and live in Southampton, New York. In addition to his advisory practice, he is President of the Southampton Association, a local civic group, Secretary of the Eastern Long Island Coastal Conservation Alliance, and a Trustee of the Southampton Historical Society. Mr. Diesing is a member of the Meadow Club of Southampton and the Southampton Club.

Registered States:
  • AK
  • AZ
  • CA
  • CO
  • CT
  • DC
  • DE
  • FL
  • GA
  • IA
  • ID
  • IL
  • IN
  • KY
  • LA
  • MA
  • MD
  • ME
  • MI
  • MN
  • MT
  • NC
  • NH
  • NJ
  • NY
  • OH
  • OR
  • PA
  • RI
  • SC
  • TN
  • TX
  • VA
  • VT
  • WA
  • WI
  • WV
  • WY

Education

  • Economics, Washington & Lee University

Credentials

  • Wealth Advisor
8 Main Street
Southampton, NY 11968

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Three generations in apple orchard

Turn possibilities into a plan

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A leading global wealth manager

Two brothers. One inheritance.

How will their story unfold?

Inheritance is about more than money. It’s about navigating family, history and your future. See how two brothers decide what to hold onto, what to let go and how to move forward. 

If you’re going through a wealth transfer event like an inheritance, death or divorce, our experienced guidance can help give you more confidence.

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As of 12/31/2025

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