AeroLeads people directory · profile
Greg Preston Email & Phone Number
Principal Software Engineer
at
Apex Clearing Corporation
1 work email found
@apexclearing.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 86%
Current company
Role
Principal Software Engineer
Location
Portland, Oregon, United States
Who is Greg Preston? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Greg Preston is listed as Principal Software Engineer at Apex Clearing Corporation, based in Portland, Oregon, United States. AeroLeads shows a work email signal at apexclearing.com and a matched LinkedIn profile for Greg Preston.
Greg Preston previously worked as Principal Software Engineer at Womply and Staff Software Engineer at Marin Software. Greg Preston holds Bs, Mathematics from Harvey Mudd College.
Company email context
Email format at Apex Clearing Corporation
This section adds company-level context without repeating Greg Preston's masked contact details.
{first_initial}{last}@apexclearing.com
86% confidence
AeroLeads found 1 current-domain work email signal for Greg Preston. Compare company email patterns before reaching out.
Profile bio
About Greg Preston
Specialties: Distributed/grid computing. Java concurrency, networking, performance, and scalability. System architecture.
Current workplace
Greg Preston's current company
Company context helps verify the profile and gives searchers a useful next step.
8 roles
Greg Preston work experience
A career timeline built from the work history available for this profile.
Principal Software Engineer
Jan 2019 - Sep 2022
Principal Software Engineer
Aug 2015 - Jun 2018
Staff Software Engineer
May 2012 - Aug 2015
Analytics Team Lead
Jan 2010 - Apr 2012
Senior Sustenance Engineer
Gemstone Systems
Apr 2009 - Jan 2010
Enterprise Architect
Gemstone Systems
Sep 2004 - Jan 2009
Jul 2001 - Sep 2004
1 education record
Greg Preston education
-
Harvey Mudd College
FAQ
Frequently asked questions about Greg Preston
Quick answers generated from the profile data available on this page.
What company does Greg Preston work for?
Greg Preston works for Apex Clearing Corporation.
What is Greg Preston's role at Apex Clearing Corporation?
Greg Preston is listed as Principal Software Engineer at Apex Clearing Corporation.
What is Greg Preston's email address?
AeroLeads has found 1 work email signal at @apexclearing.com for Greg Preston at Apex Clearing Corporation.
Where is Greg Preston based?
Greg Preston is based in Portland, Oregon, United States while working with Apex Clearing Corporation.
What companies has Greg Preston worked for?
Greg Preston has worked for Apex Clearing Corporation, Womply, Marin Software, Thetus, and Gemstone Systems.
How can I contact Greg Preston?
You can use AeroLeads to view verified contact signals for Greg Preston at Apex Clearing Corporation, including work email, phone, and LinkedIn data when available.
What schools did Greg Preston attend?
Greg Preston holds Bs, Mathematics from Harvey Mudd College.
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