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John Klaczynski Email & Phone Number

Technical Director / SimVentions, Inc at SimVentions

Location: Washington DC-Baltimore Area, United States, United States 4 work roles

1 work email found @simventions.com 1 phone found area 540 LinkedIn matched

✓ Verified Jun 2026 4 data sources Profile completeness 86%

Current company

SimVentions

Role

Technical Director / SimVentions, Inc

Location

Washington DC-Baltimore Area, United States, United States

Company size

204 employees

Who is John Klaczynski? Overview

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Quick answer

John Klaczynski is listed as Technical Director / SimVentions, Inc at SimVentions, a company with 204 employees, based in Washington DC-Baltimore Area, United States, United States. AeroLeads shows a work email signal at simventions.com, phone signal with area code 540, and a matched LinkedIn profile for John Klaczynski.

John Klaczynski previously worked as Technical Director at Simventions and Owner at Rehosting Technologies, Inc.

Company email context

Email format at SimVentions

This section adds company-level context without repeating John Klaczynski's masked contact details.

{first_initial}{last}@simventions.com

89% confidence

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

View email format View company profile Management contacts

Profile bio

About John Klaczynski

John Klaczynski is a Technical Director / SimVentions, Inc at SimVentions. He possess expertise in software development, software engineering, systems engineering, .net, trading systems and 14 more skills.

Listed skills include Software Development, Software Engineering, Systems Engineering, .Net, and 15 others.

Current workplace

John Klaczynski's current company

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

Simventions

Technical Director / SimVentions, Inc

fredericksburg, virginia, united states

Website

simventions.com

Employees

204

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Company profile

View company profile Email format

4 roles

John Klaczynski work experience

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

Technical Director

Current

Simventions

Fredericksburg, VA

Sep 2006 - Present

Owner

Current

Rehosting Technologies, Inc

Aug 1993 - Present

Senior Vice President, Systems Engineering

Readq Systems, Inc.

Planned, developed and implemented components for Software as a Service (SaaS) and the virtual machine stack for private cloud deployment of a fixed income trading solution.

Feb 2010 - May 2014

Manager

Salomon Brothers

Managed the firm's analytical database which included information on Equities, Commodities, Mortgages and Fixed Income issues.

Jul 1989 - Aug 1993

Team & coworkers

Colleagues at SimVentions

Other employees you can reach at simventions.com. View company contacts for 204 employees →

AS

Andy Strickland Colleague at SimventionsFredericksburg, Virginia, United States, United States View → MH

Mike Harner Colleague at SimventionsSpotsylvania, Virginia, United States, United States View → DP

David Preut Colleague at SimventionsWashington DC-Baltimore Area, United States View → DS

David Sanders Colleague at SimventionsFredericksburg, Virginia, United States, United States View → PY

Pat Yaroszewski Colleague at SimventionsFredericksburg, Virginia, United States, United States View → TM

Tanya Mungai Colleague at SimventionsFredericksburg, Virginia, United States, United States View → AN

Ashley Norfolk Colleague at SimventionsFredericksburg, Virginia, United States, United States View → JT

Jessi Tyrrell Colleague at SimventionsFredericksburg, Virginia, United States, United States View → DH

Douglas Hertle Colleague at SimventionsFredericksburg, Virginia, United States, United States View → TP

Thomas Pendergraft Colleague at SimventionsFredericksburg, Virginia, United States, United States View →

FAQ

Frequently asked questions about John Klaczynski

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

What company does John Klaczynski work for?

John Klaczynski works for SimVentions.

What is John Klaczynski's role at SimVentions?

John Klaczynski is listed as Technical Director / SimVentions, Inc at SimVentions.

What is John Klaczynski's email address?

AeroLeads has found 1 work email signal at @simventions.com for John Klaczynski at SimVentions.

What is John Klaczynski's phone number?

AeroLeads has found 1 phone signal(s) with area code 540 for John Klaczynski at SimVentions.

Where is John Klaczynski based?

John Klaczynski is based in Washington DC-Baltimore Area, United States, United States while working with SimVentions.

What companies has John Klaczynski worked for?

John Klaczynski has worked for Simventions, Rehosting Technologies, Inc, Readq Systems, Inc., and Salomon Brothers.

Who are John Klaczynski's colleagues at SimVentions?

John Klaczynski's colleagues at SimVentions include Andy Strickland, Mike Harner, David Preut, David Sanders, and Pat Yaroszewski.

How can I contact John Klaczynski?

You can use AeroLeads to view verified contact signals for John Klaczynski at SimVentions, including work email, phone, and LinkedIn data when available.

What skills is John Klaczynski known for?

John Klaczynski is listed with skills including Software Development, Software Engineering, Systems Engineering, .Net, Trading Systems, Enterprise Architecture, Integration, and Technical Leadership.

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