Jonathan: Email & Phone Number

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Assistant at Grunfeld, Desiderio, Lebowitz, Silverman & Klestadt LLP|Los Angeles Metropolitan Area, United States

Position:

Assistant at Grunfeld, Desiderio, Lebowitz, Silverman & Klestadt LLP

Location:

Los Angeles Metropolitan Area, United States

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Last updated: 2026-07-04

Updated: 2026-07-04

Found email addresses for Jonathan:

Business emails:

**@gdlsk.com

Personal emails:

****@uclabrea.org,

j***@hotmail.com,

****@gmail.com,

****@centralcasting.com

Found phones for Jonathan:

+1-870-***-**78,

+1-205-***-**98,

+1-520-***-**21,

+1-623-***-**22

A different Jonathan?

Work Experience 8 years

Assistant at Grunfeld, Desiderio, Lebowitz, Silverman & Klestadt LLP

Sep 2025 - Current

Talent at Central Casting

Jan 2023 - May 2024

Member at Bruin Real Estate Association

Sep 2021 - Nov 2022

Stock Associate at Tokyo Central

Oct 2018 - Jun 2020

Jonathan started working in 2018, then the employee has changed 3 companies and 3 jobs. On average, Jonathan works for one company for 1 year 3 months.

Their professional focus is Acquisition Underwriting, Analytical Skills, and ARGUS Enterprise across 3 core areas.

Jonathan holds ARGUS Enterprise Certification and REFM Certification in Excel for Real Estate – Levels 1, 2, and 3, With Distinction certifications.

Education

Bachelor of Arts - BA at UCLA

Certificate at UCLA Extension

Associate of Arts - AA at El Camino College

High School Diploma at South High School

Frequently Asked Questions

What is Jonathan's email address?

SignalHire found verified email addresses for Jonathan, both business and personal. Their business email is **@gdlsk.com, and personal emails include ****@uclabrea.org, j***@hotmail.com, and ****@gmail.com.

What is Jonathan's phone number?

SignalHire found multiple verified phone numbers for Jonathan: +1-870-***-**78, +1-205-***-**98, and +1-520-***-**21.

How do I contact Jonathan at Grunfeld, Desiderio, Lebowitz, Silverman & Klestadt LLP?

You can reach Jonathan 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 Jonathan's professional background?

Jonathan has 8 years of professional experience. They have held roles including Talent, Member, and Stock Associate at companies such as Central Casting, Bruin Real Estate Association, and Tokyo Central. Their education includes Bachelor of Arts - BA from UCLA, and Certificate from UCLA Extension.

Is Jonathan's contact information up to date?

Yes. Jonathan's SignalHire profile was last updated on 4 July 2026, reflecting their current position as Assistant at Grunfeld, Desiderio, Lebowitz, Silverman & Klestadt LLP in New York, New York, United States.

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