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Jon D Koon Email & Phone Number

Senior Engineering Manager at HubSpot
Location: Belmont, Massachusetts, United States 6 work roles 2 schools
2 work emails found @charityvest.org 3 phones found area 404 and 415 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 3 phones

Work email j****@charityvest.org
Direct phone (404) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
HubSpot
Role
Senior Engineering Manager
Location
Belmont, Massachusetts, United States
Company size
10968 employees

Who is Jon D Koon? Overview

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Quick answer

Jon D Koon is listed as Senior Engineering Manager at HubSpot, a company with 10968 employees, based in Belmont, Massachusetts, United States. AeroLeads shows a work email signal at charityvest.org, phone signal with area code 404, 415, and a matched LinkedIn profile for Jon D Koon.

Jon D Koon previously worked as Engineering Lead at Hubspot and Cofounder & CTO at Charityvest. Jon D Koon holds Computer Science from Georgia Institute Of Technology.

Company email context

Email format at HubSpot

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{first_initial}{last}@charityvest.org
79% confidence

AeroLeads found 2 current-domain work email signals for Jon D Koon. Compare company email patterns before reaching out.

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Profile bio

About Jon D Koon

I'm an experienced software engineering lead focused on full stack web app development. I'm passionate about building high quality software that serves and delights users.Some notable career highlights:- Cofounded Charityvest, a Y Combinator backed consumer fintech in the charitable giving space. I led engineering, design, and product. I solely built the initial version and grew the team to 5 engineers and 50 Million in contributions before leaving in 2022.- I worked at Twitter where I was a Staff Software Engineer and Tech Lead for the twitter.com UI foundation and design system team. - I was an original member and longest tenured engineer of the team that rebuilt twitter.com in React unifying the mobile and desktop website- I was the engineering manager for the Twitter profiles team that brought infinite timelines, pinned Tweets, and other advancements to the Web, iOS, and Android apps.

Listed skills include Javascript, Jquery, Css, Html, and 1 others.

Current workplace

Jon D Koon's current company

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

HubSpot
Hubspot
Senior Engineering Manager
Belmont, MA, US
Website
hubspot.com
Employees
10968
AeroLeads page
Company profile
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6 roles · 15 years

Jon D Koon work experience

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

Senior Engineering Manager

Hubspot

Belmont, MA, US

Engineering Lead

Current
Hubspot

Cambridge, Massachusetts, US

HubSpot’s mission is to help millions of organizations grow better

Dec 2022 - Present

Cofounder & Cto

Charityvest

Atlanta, Georgia, US

- Led engineering from MVP to processing 50M+ in transactions over 3 years- Built web app, marketing site, CI/CD, api, emails, financial plumbing, design system, monorepo, nonprofit database, internal tools, and testing- Technical design and implementation for donation processing (bank, card, stock, and crypto), charity search, recurring transactions.

Sep 2019 - Oct 2022

Staff Software Engineer

Twitter

San Francisco, CA, US

- Tech lead of twitter.com’s UI foundation team- Created React based design system extracted from twitter.com providing all web teams at Twitter access to the canonical Twitter UI- Fostered cross-team collaboration on shared design system including monthly emails celebrating progress and contributions- Organized quarterly design system training sessions.

Sep 2012 - Sep 2019

Senior Software Developer

The Proven Method

Atlanta, Georgia, US

- Built front and backend for a store diagramming and reporting tool for The Home Depot using Django, jQuery UI, and Backbone.js- Led frontend development for a custom enterprise resource planning system utilizing Backbone.js, jQuery, ASP.Net MVC3, and Razor- Architected a peer-to-peer business intelligence platform for Aaron Rents utilizing ASP.Net MVC 3.

Mar 2009 - Aug 2012

Instructor

The Creative Circus

Atlanta, GA, US

I taught intro to programming in JavaScript for the interactive development program

2011 - 2012 ~1 yr
Team & coworkers

Colleagues at HubSpot

Other employees you can reach at hubspot.com. View company contacts for 10968 employees →

KL Keith Lally Keith Lally Colleague at Hubspot Ireland, Ireland View → MV Mike Verderese Mike Verderese Colleague at Hubspot Philadelphia, Pennsylvania, United States, United States View → IB Ismaël Berry Ismaël Berry Colleague at Hubspot Greater Paris Metropolitan Region, France View → LE Laney Evers Laney Evers Colleague at Hubspot Boston, Massachusetts, United States, United States View → KJ Kevin Johnson Kevin Johnson Colleague at Hubspot Halifax, Massachusetts, United States, United States View → AP Ari Plaut Ari Plaut Colleague at Hubspot White River Junction, Vermont, United States, United States View → IH Ibrahim Harwty Ibrahim Harwty Colleague at Hubspot Iraq, Iraq View → BM Brandon M. Brandon M. Colleague at Hubspot Miami-Fort Lauderdale Area, United States View → TP Trevor Price Trevor Price Colleague at Hubspot Boston, Massachusetts, United States, United States View → SP Sofía Pinzón Restrepo Sofía Pinzón Restrepo Colleague at Hubspot Bogota, D.C., Capital District, Colombia, Colombia View →
2 education records

Jon D Koon education

Computer Science

Georgia Institute Of Technology

Education record

Y Combinator
FAQ

Frequently asked questions about Jon D Koon

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

What company does Jon D Koon work for?

Jon D Koon works for HubSpot.

What is Jon D Koon's role at HubSpot?

Jon D Koon is listed as Senior Engineering Manager at HubSpot.

What is Jon D Koon's email address?

AeroLeads has found 2 work email signals at @charityvest.org for Jon D Koon at HubSpot.

What is Jon D Koon's phone number?

AeroLeads has found 3 phone signal(s) with area code 404, 415 for Jon D Koon at HubSpot.

Where is Jon D Koon based?

Jon D Koon is based in Belmont, Massachusetts, United States while working with HubSpot.

What companies has Jon D Koon worked for?

Jon D Koon has worked for Hubspot, Charityvest, Twitter, The Proven Method, and The Creative Circus.

Who are Jon D Koon's colleagues at HubSpot?

Jon D Koon's colleagues at HubSpot include Keith Lally, Mike Verderese, Ismaël Berry, Laney Evers, and Kevin Johnson.

How can I contact Jon D Koon?

You can use AeroLeads to view verified contact signals for Jon D Koon at HubSpot, including work email, phone, and LinkedIn data when available.

What schools did Jon D Koon attend?

Jon D Koon holds Computer Science from Georgia Institute Of Technology.

What skills is Jon D Koon known for?

Jon D Koon is listed with skills including Javascript, Jquery, Css, Html, and Xml.

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