Jonathan: Email & Phone Number

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AI Trainer at Handshake|Jacksonville, Florida, United States

Position:

AI Trainer at Handshake

Location:

Jacksonville, Florida, United States

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Last updated: 2026-11-10

Updated: 2026-11-10

Found email addresses for Jonathan:

Business emails:

**@joinhandshake.com

Personal emails:

j***@aol.com,

****@acehardware.com,

j***@gmail.com,

****@lowes.com

Found phones for Jonathan:

+1-623-***-**42,

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

+1-623-***-**33,

+1-520-***-**92

Prospect analytics

Current work details

DepartmentComputer Software

Availability

TimezoneEST

Best time to contact12:00 PM – 4:00 PM

A different Jonathan?

Work Experience 35 years

AI Trainer at Handshake

Jun 2026 - Current

Licensed GC, EC, MC, PC, MRC, Traveling E&I inspector at Traveling QAQC Inspector

May 2021 - Current

Drep for Cardano blockchain at Freelance

Feb 2025 - Current

Night-time Operations Supervisor at Lowe's Companies, Inc.

Feb 2020 - May 2021

Electrician / Freelance Musician at Self-employed

Nov 2016 - Jan 2020

Owner/Operator at Just Like New LLC

Jan 2004 - Oct 2016

Resident Maintenance Man at The Palms

Feb 2001 - Dec 2003

Heavy Equipment Operator at Section Seven

Feb 1998 - Nov 2000

Apprentice Plumber at White Mgmt. Co.

Jan 1996 - Dec 1996

Apprentice Electrician at Bradshaw Electric

Jan 1991 - Dec 1995

Jonathan started working in 1991, then the employee has changed 9 companies and 9 jobs. On average, Jonathan works for one company for 3 years 8 months.

Their professional focus is Building Maintenance, Commercial Construction, and Consumer Relations across 3 core areas.

Jonathan holds IBM Cybersecurity Certificate, Incident Response and Systems Forensics, and IBM Cloud Security certifications.

Frequently Asked Questions

What is Jonathan's email address?

SignalHire found verified email addresses for Jonathan, both business and personal. Their business email is **@joinhandshake.com, and personal emails include j***@aol.com, ****@acehardware.com, and j***@gmail.com.

What is Jonathan's phone number?

SignalHire found multiple verified phone numbers for Jonathan: +1-623-***-**42, +1-623-***-**22, and +1-623-***-**33.

How do I contact Jonathan at Handshake?

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 35 years of professional experience. They have held roles including Licensed GC, EC, MC, PC, MRC, Traveling E&I inspector, Drep for Cardano blockchain, and Night-time Operations Supervisor at companies such as Traveling QAQC Inspector, Freelance, and Lowe's Companies, Inc..

Is Jonathan's contact information up to date?

Yes. Jonathan's SignalHire profile was last updated on 10 November 2026, reflecting their current position as AI Trainer at Handshake in San Francisco, California, United States.

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