Chief Technology Officer
Current
May 2024 - Present
AeroLeads people directory · profile
Christopher Simmons Email & Phone Number
Staff Engineer and Chief Lumberjack. Ex-Brex, Microsoft.
at
TimberEye
2 work emails found
@brex.com
2 phones found area 404 and 703
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Staff Engineer and Chief Lumberjack. Ex-Brex, Microsoft.
Location
Oakland, California, United States
Who is Christopher Simmons? Overview
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Quick answer
Christopher Simmons is listed as Staff Engineer and Chief Lumberjack. Ex-Brex, Microsoft. at TimberEye, based in Oakland, California, United States. AeroLeads shows a work email signal at brex.com, phone signal with area code 404, 703, and a matched LinkedIn profile for Christopher Simmons.
Christopher Simmons previously worked as Chief Technology Officer at Timbereye and Staff Software Engineer at Brex. Christopher Simmons holds Ab, Computer Science from Harvard University.
Company email context
Email format at TimberEye
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{first}@brex.com
89% confidence
AeroLeads found 2 current-domain work email signals for Christopher Simmons. Compare company email patterns before reaching out.
Profile bio
About Christopher Simmons
I'm a software engineer with over ten years' professional experience and a knack for teaching others. I focus on money movement and have worked directly with Mastercard to build a first-party card issuance and processing system. In addition, I have roots in low-level systems programming and still like to think about bits and bytes now and then.
Listed skills include Python, C, Operating Systems, Computer Science, and 7 others.
Current workplace
Christopher Simmons's current company
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8 roles
Christopher Simmons work experience
A career timeline built from the work history available for this profile.
Staff Software Engineer
- Tech lead for the 8-person team handling card issuance, auth and clearing, and digital wallets.
- Led the team's work to make Brex a first-party card issuer and processor connected directly to Mastercard, eliminating reliability costs and financial costs of third-party intermediaries.
- Represented the team in a company-wide design discussion to create a credit card that has a dynamic billing currency–groundbreaking work. Designed the team’s part of the system in detail.
- Led a team of engineers to build a framework that allows other teams to independently add logic to the card authorization flow without risk of breaking authorizations.
May 2019 - Jan 2024
Member Of Technical Staff
Sisu Data
Oct 2018 - Apr 2019
Co-Founder And Cto
Doclily, Inc.
- Designed and built native iOS and Android apps backed by a serverless AWS stack.
- Integrated the apps with open source libraries and service providers’ APIs.
- Managed a team of five developers to accelerate feature development while maintaining code quality.
Apr 2016 - Sep 2018
Software Engineer
- Owner of a distributed system that allowed trading engines to recover when network packets from the stock exchanges were dropped. Increased network-wide throughput of the recovery system by 33%.
- Wrote code to handle different stock exchanges’ wire protocols.
Jul 2015 - Mar 2016
Software Development Engineer Ii
- Owner of the Windows kernel’s timer system and its I/O manager.
- Delivered a minifilter to support fair rather than FIFO disk I/O scheduling in Windows 10.
- Created new classes of timers to support high-precision timeouts and to improve energy efficiency.
- Previously the owner of the boot graphics library, which renders images before the primary graphics stack is in place and while the system is performing a controlled crash.
Aug 2011 - Jul 2015
Software Developer Intern
Prototyped improvements to the user-managed scheduling system that allows clients such as SQL Server to schedule their own threads.
Jun 2010 - Aug 2010
Software Developer Intern
Increased the productivity of the TvAds team by creating a tool that allowed developers to view the TvAds user interface’s performance statistics and know where they should improve performance.
Jun 2009 - Aug 2009
1 education record
Christopher Simmons education
-
Harvard University
FAQ
Frequently asked questions about Christopher Simmons
Quick answers generated from the profile data available on this page.
What company does Christopher Simmons work for?
Christopher Simmons works for TimberEye.
What is Christopher Simmons's role at TimberEye?
Christopher Simmons is listed as Staff Engineer and Chief Lumberjack. Ex-Brex, Microsoft. at TimberEye.
What is Christopher Simmons's email address?
AeroLeads has found 2 work email signals at @brex.com for Christopher Simmons at TimberEye.
What is Christopher Simmons's phone number?
AeroLeads has found 2 phone signal(s) with area code 404, 703 for Christopher Simmons at TimberEye.
Where is Christopher Simmons based?
Christopher Simmons is based in Oakland, California, United States while working with TimberEye.
What companies has Christopher Simmons worked for?
Christopher Simmons has worked for Timbereye, Brex, Sisu Data, Doclily, Inc., and Global Trading Systems.
How can I contact Christopher Simmons?
You can use AeroLeads to view verified contact signals for Christopher Simmons at TimberEye, including work email, phone, and LinkedIn data when available.
What schools did Christopher Simmons attend?
Christopher Simmons holds Ab, Computer Science from Harvard University.
What skills is Christopher Simmons known for?
Christopher Simmons is listed with skills including Python, C, Operating Systems, Computer Science, Software Engineering, Distributed Systems, Software Development, and Systems Programming.
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