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Holly Allen Email & Phone Number

Fractional Executive, Engineering Leadership Advisor/Coach at Self-employed
Location: San Francisco, California, United States 15 work roles 1 school
1 work email found @slack-corp.com 2 phones found area 800 and 256 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email h****@slack-corp.com
Direct phone (800) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Fractional Executive, Engineering Leadership Advisor/Coach
Location
San Francisco, California, United States

Who is Holly Allen? Overview

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Quick answer

Holly Allen is listed as Fractional Executive, Engineering Leadership Advisor/Coach at Self-employed, based in San Francisco, California, United States. AeroLeads shows a work email signal at slack-corp.com, phone signal with area code 800, 256, and a matched LinkedIn profile for Holly Allen.

Holly Allen previously worked as Engineering Leadership Consulting at Self-Employed and Secretary, Board of Directors at Walk San Francisco. Holly Allen holds Bs from Massachusetts Institute Of Technology.

Company email context

Email format at Self-employed

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{first_initial}{last}@slack-corp.com
86% confidence

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

Profile bio

About Holly Allen

Fractional Executive, Engineering Leadership Advisor/CoachI’m a versatile, pragmatic leader with expertise in software development, infrastructure, team building, and people management. I value team work, diversity, transparency, and results. I’m mission driven and want to work to make the world a better place for people today.

Listed skills include Python, Software Development, Linux, Perl, and 26 others.

Current workplace

Holly Allen's current company

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

Self-employed
Self-Employed
Fractional Executive, Engineering Leadership Advisor/Coach
San Francisco, CA, US
AeroLeads page
15 roles · 29 years

Holly Allen work experience

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

Role listed

Self-Employed

San Francisco, Ca, Us

Engineering Leadership Consulting

Current
Self-Employed

Advising and coaching executives, managers, startups, and engineering teams in effective delivery, leadership, strategy, and growth.

Jun 2018 - Present

Secretary, Board Of Directors

Current

San Francisco, California, Us

Feb 2024 - Present

Board Member

Current

San Francisco, California, Us

Oct 2023 - Present

Advisor

Current

New York, New York, Us

Aug 2023 - Present

Advisor

Mo

Scottsdale, Az, Us

Sep 2023 - Nov 2024

Vp Of Engineering

Mo

Scottsdale, Az, Us

Dec 2022 - Sep 2023

Executive Coach

London, England, Gb

Feb 2023 - Oct 2023

Senior Director Of Engineering, Platform

San Francisco, California, Us

I led a 60+ engineering team through ideation and creation of the new Slack Platform. Owned the foundational developer APIs and features used by customers and third party partners to integrate with the Slack product. Maintained focus, execution, and engineer retention through an acquisition by Salesforce. Led the evolution of engineering promotion process.

Oct 2021 - Apr 2022

Director Of Engineering, Platform

San Francisco, California, Us

Feb 2021 - Sep 2021

Director Of Engineering, Reliability

San Francisco, California, Us

I led reliability at Slack. My teams were SRE, reliability tooling, monitoring, and database reliability engineering. Delivered strategic reliability and scale projects to keep Slack shipping fast with lots of 9s, like getting more teams oncall with better alerts and metrics. Dramatically improved incident management and post-incident reviews.

Feb 2018 - Feb 2021

Advisor

New York, New York, Us

Advisor for non-profit startup Upsolve, who are lowering the incredible barrier to bankruptcy so folks can get a fresh-start. Early on I advised on architecture, logging, monitoring, deployment, and metrics. Later I advised on hiring, managing, prioritizing, and creating a robust long term road map.

Jun 2018 - Nov 2021

Head Of Engineering

Washington, D.C., Us

Reported to the executive director of 18F, led the 60+ person engineering organization over dozens of agile project teams. Part of the 18F leadership team. Create policies and best practices for development, mainly on open source Python, Ruby, and Javascript projects. Ensured that engineering has a robust network of leaders by promoting supervisors and subject matter leads. Promoted diversity and inclusion in the engineering organization and 18F overall.

Aug 2015 - Feb 2018

Head Of Software Development

San Francisco, Ca, Us

Reporting to the CTO, managed the organization's 20+ software and QA engineers, and 10+ contractors over 6 teams. Managed a $2.5M budget. Mentored team members in their projects and careers. Set policies and best practices for development at PLOS, mainly on open source Java, Ruby on Rails, and Python projects. Influence on overall architecture and technical direction. Also a member of the Agile Enablement Team which is led Agile success across the organization. Partnered with heads of Product and Project on roadmaps. Partnered with IT and Operations on day to day operations and operational capacity planning.

Nov 2013 - Aug 2015

Progressively Responsible Engineering Roles

Biotech, Media, Hardware, And Iot Companies
1998 - 2013 ~15 yrs
1 education record

Holly Allen education

  • Massachusetts Institute Of Technology
    Massachusetts Institute Of Technology
    Bs
FAQ

Frequently asked questions about Holly Allen

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

What company does Holly Allen work for?

Holly Allen works for Self-employed.

What is Holly Allen's role at Self-employed?

Holly Allen is listed as Fractional Executive, Engineering Leadership Advisor/Coach at Self-employed.

What is Holly Allen's email address?

AeroLeads has found 1 work email signal at @slack-corp.com for Holly Allen at Self-employed.

What is Holly Allen's phone number?

AeroLeads has found 2 phone signal(s) with area code 800, 256 for Holly Allen at Self-employed.

Where is Holly Allen based?

Holly Allen is based in San Francisco, California, United States while working with Self-employed.

What companies has Holly Allen worked for?

Holly Allen has worked for Self-Employed, Walk San Francisco, Upsolve, Mo, and Codeyourfuture.

How can I contact Holly Allen?

You can use AeroLeads to view verified contact signals for Holly Allen at Self-employed, including work email, phone, and LinkedIn data when available.

What schools did Holly Allen attend?

Holly Allen holds Bs from Massachusetts Institute Of Technology.

What skills is Holly Allen known for?

Holly Allen is listed with skills including Python, Software Development, Linux, Perl, Agile Methodologies, C++, Project Management, and Computer Graphics.

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