John Stiefel: Email & Phone Number

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Implementation Specialist at CharityEngine|Allison Park, Pennsylvania, United States

Position:

Implementation Specialist at CharityEngine

Location:

Allison Park, Pennsylvania, United States

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Last updated: 2026-05-24

Updated: 2026-05-24

Found email addresses for John Stiefel:

Business emails:

j**********l@bonterratech.com

Personal emails:

j***@hotmail.com,

j***@aol.com,

j***@yahoo.com,

s***@gmail.com

Found phones for John Stiefel:

+1-909-***-**65,

+1-205-***-**61,

+1-623-***-**14

A different John Stiefel?

Work Experience 19 years

Implementation Specialist at CharityEngine

Apr 2026 - Current

Team Lead Software Support Specialist at Bonterra

Nov 2021 - Apr 2026

Team Lead Software Support Specialist at SalsaLabs

Oct 2015 - Nov 2021

Senior Technical Support Specialist at DonorPro by TowerCare Technologies

Aug 2007 - Oct 2015

John Stiefel started working in 2007, then the employee has changed 3 companies and 2 jobs. On average, John Stiefel works for one company for 4 years 9 months.

Education

Computer Information Systems – Network and PC Management, A.A.S at Butler County Community College

Frequently Asked Questions

What is John Stiefel's email address?

SignalHire found verified email addresses for John Stiefel, both business and personal. Their business email is j**********l@bonterratech.com, and personal emails include j***@hotmail.com, j***@aol.com, and j***@yahoo.com.

What is John Stiefel's phone number?

SignalHire found multiple verified phone numbers for John Stiefel: +1-909-***-**65, +1-205-***-**61, and +1-623-***-**14.

How do I contact John Stiefel at CharityEngine?

You can reach John Stiefel 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 Stiefel's professional background?

John Stiefel has 19 years of professional experience. They have held roles including Team Lead Software Support Specialist, Team Lead Software Support Specialist, and Senior Technical Support Specialist at companies such as Bonterra, SalsaLabs, and DonorPro by TowerCare Technologies. Their education includes Computer Information Systems – Network and PC Management, A.A.S from Butler County Community College.

Is John Stiefel's contact information up to date?

Yes. John Stiefel's SignalHire profile was last updated on 24 May 2026, reflecting their current position as Implementation Specialist at CharityEngine in McLean, VA, United States.

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