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John Greiner Email & Phone Number

Founder & President at Just-Tech at Just-Tech
Location: New York, New York, United States 8 work roles 5 schools
1 work email found @greiners.com 6 phones found area 929, 646, and 513 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 6 phones

Work email j****@greiners.com
Direct phone (929) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Founder & President at Just-Tech
Location
New York, New York, United States

Who is John Greiner? Overview

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Quick answer

John Greiner is listed as Founder & President at Just-Tech at Just-Tech, based in New York, New York, United States. AeroLeads shows a work email signal at greiners.com, phone signal with area code 929, 646, 513, and a matched LinkedIn profile for John Greiner.

John Greiner previously worked as Founder & President at Just-Tech and Board Member at 2-1-1 New York State. John Greiner holds Jd from University Of Wisconsin Law School.

Company email context

Email format at Just-Tech

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{first}@greiners.com
86% confidence

AeroLeads found 1 current-domain work email signal for John Greiner. Compare company email patterns before reaching out.

Profile bio

About John Greiner

A seasoned lawyer with an intricate knowledge of information technology, John Greiner recognized that he was uniquely qualified to understand the tools and systems that would help legal service providers to streamline—and succeed in—their efforts. His knowledge, combined with a passion for advocacy work, inspired John to found Just-Tech in 2014. Just-Tech is the realization of John’s vast professional experiences. The company helps its clients utilize technology not only as a way to function more efficiently every day, but also to identify, replicate, and create the solutions and systems that will work for them. “Technology can make what we do easier, but it can also make it smarter,” says John. “It is advancing at a breathtaking pace and is becoming increasingly democratized, and as a result we have more opportunities at our disposal and more tools to deal with the challenges we face.”For more on John and the Just-Tech team, visit Just-Tech.com

Listed skills include Legal Assistance, Civil Litigation, Legal Research, Legal Writing, and 17 others.

Current workplace

John Greiner's current company

Company context helps verify the profile and gives searchers a useful next step.

Just-Tech
Just-Tech
Founder & President at Just-Tech
AeroLeads page
8 roles · 28 years

John Greiner work experience

A career timeline built from the work history available for this profile.

Founder & President

Current

New York, NY, US

Founded Just-Tech in 2014 with the mission to provide comprehensive, targeted, and specialized information and technology services to the legal and advocacy communities. • Lead a team of engineers, technologists, and professionals to conduct in-depth client assessments, develop strategies, create and employ systems, train staff, improve business.

Jul 2014 - Present

Board Member

Current
2-1-1 New York State
2010 - Present ~16 yrs 5 mos

Board Member

Current
New York State Alliance Of Information And Referral Systems

Committed to ensuring that all New Yorkers have access to quality human service information.

2007 - Present ~19 yrs 5 mos

Chief Information Officer

New York, NY, US

For over 40 years, Legal Services NYC has provided, high quality, free civil legal services to low-income New York City residents.

2002 - Jun 2015

Director Of Regulatory Review

U.S. Small Business Administration
1998 - 2001 ~3 yrs
5 education records

John Greiner education

Jd

University Of Wisconsin Law School

Bs, Economics, Philosophy, Computer Science, Math

University Of Wisconsin-Madison

Economics, Philosophy

City, University Of London

Economics

Columbia University

High School

Trinity School, Nyc
FAQ

Frequently asked questions about John Greiner

Quick answers generated from the profile data available on this page.

What company does John Greiner work for?

John Greiner works for Just-Tech.

What is John Greiner's role at Just-Tech?

John Greiner is listed as Founder & President at Just-Tech at Just-Tech.

What is John Greiner's email address?

AeroLeads has found 1 work email signal at @greiners.com for John Greiner at Just-Tech.

What is John Greiner's phone number?

AeroLeads has found 6 phone signal(s) with area code 929, 646, 513 for John Greiner at Just-Tech.

Where is John Greiner based?

John Greiner is based in New York, New York, United States while working with Just-Tech.

What companies has John Greiner worked for?

John Greiner has worked for Just-Tech, 2-1-1 New York State, New York State Alliance Of Information And Referral Systems, Legal Services Nyc, and Illinois Legal Aid Online.

How can I contact John Greiner?

You can use AeroLeads to view verified contact signals for John Greiner at Just-Tech, including work email, phone, and LinkedIn data when available.

What schools did John Greiner attend?

John Greiner holds Jd from University Of Wisconsin Law School.

What skills is John Greiner known for?

John Greiner is listed with skills including Legal Assistance, Civil Litigation, Legal Research, Legal Writing, Nonprofits, Litigation, Public Speaking, and Fundraising.

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