John Hayes: Email & Phone Number

Associate (Admission Pending) at Grunfeld Desiderio Lebowitz Silverman & Klestadt|New York City Metropolitan Area, United States

Position:

Associate (Admission Pending) at Grunfeld Desiderio Lebowitz Silverman & Klestadt

Location:

New York City Metropolitan Area, United States

View John Hayes's Email

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Last updated: 2026-09-06

Updated: 2026-09-06

Found email addresses for John Hayes:

Business emails:

j****s@gdlsk.com

Personal emails:

h***@pfizer.com,

h***@hotmail.com,

j***@uscourts.gov,

j***@yahoo.com

Found phones for John Hayes:

+1-480-***-**42,

+1-480-***-**94

A different John Hayes?

Work Experience 7 years

Associate (Admission Pending) at Grunfeld Desiderio Lebowitz Silverman & Klestadt

Sep 2025 - Current

Law Clerk at Grunfeld Desiderio Lebowitz Silverman & Klestadt

Sep 2024 - Aug 2025

Summer Associate at Grunfeld Desiderio Lebowitz Silverman & Klestadt

May 2024 - Aug 2024

Judicial Extern at United States District Court for the Eastern District of New York

Jan 2024 - Apr 2024

1L Summer Scholar at Pfizer

May 2023 - Aug 2023

Legislative Intern at Connecticut General Assembly

Jan 2021 - May 2021

Intern at Connecticut Secretary of State Office

Jan 2019 - Dec 2019

Intern at Port Group USA

May 2019 - Aug 2019

John Hayes started working in 2019, then the employee has changed 5 companies and 6 jobs. On average, John Hayes works for one company for 6 months.

Education

St. John's University School of Law

Bachelor of Arts - BA at Trinity College-Hartford

Northfield Mount Hermon

Frequently Asked Questions

What is John Hayes's email address?

SignalHire found verified email addresses for John Hayes, both business and personal. Their business email is j****s@gdlsk.com, and personal emails include h***@pfizer.com, h***@hotmail.com, and j***@uscourts.gov.

What is John Hayes's phone number?

SignalHire found multiple verified phone numbers for John Hayes: +1-480-***-**42, and +1-480-***-**94.

How do I contact John Hayes at Grunfeld Desiderio Lebowitz Silverman & Klestadt?

You can reach John Hayes through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Hayes's professional background?

John Hayes has 7 years of professional experience. They have held roles including Law Clerk, Summer Associate, and Judicial Extern at companies such as Grunfeld Desiderio Lebowitz Silverman & Klestadt, Grunfeld Desiderio Lebowitz Silverman & Klestadt, and United States District Court for the Eastern District of New York. Their education includes St. John's University School of Law, and Bachelor of Arts - BA from Trinity College-Hartford.

Is John Hayes's contact information up to date?

Yes. John Hayes's SignalHire profile was last updated on 6 September 2026, reflecting their current position as Associate (Admission Pending) at Grunfeld Desiderio Lebowitz Silverman & Klestadt in New York, New York, United States.

John Hayes Namesakes

Name

Company

Position

John Hayes

Enterprise Truck Rental

Assistant Branch Manager

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Jack Hayes

Orbital Engineering, Inc.

Senior Engineer 1

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John Hayes

The Joint Staff

Branch Chief

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