Partner
CurrentPartner of a leading boutique investment bank located in Westport, CT
Jan 2006 - Present
AeroLeads people directory · profile
Jonathan Rubin Email & Phone Number
Middle market investment banker for entrepreneurs and family-owned companies
at
Westbury Group LLC
1 work email found
@abacusstrategy.com
5 phones found area 203 and 508
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Middle market investment banker for entrepreneurs and family-owned companies
Location
Guilford, Connecticut, United States
Who is Jonathan Rubin? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Jonathan Rubin is listed as Middle market investment banker for entrepreneurs and family-owned companies at Westbury Group LLC, based in Guilford, Connecticut, United States. AeroLeads shows a work email signal at abacusstrategy.com, phone signal with area code 203, 508, and a matched LinkedIn profile for Jonathan Rubin.
Jonathan Rubin previously worked as Partner at Westbury Group Llc and Chair Emeritus at Yale School Of Management Alumni Advisory Board. Jonathan Rubin holds Mba from Yale School Of Management.
Company email context
Email format at Westbury Group LLC
This section adds company-level context without repeating Jonathan Rubin's masked contact details.
{first_initial}{last}@abacusstrategy.com
86% confidence
AeroLeads found 1 current-domain work email signal for Jonathan Rubin. Compare company email patterns before reaching out.
Profile bio
About Jonathan Rubin
TRACK RECORD:- Accomplished investment banker for entrepreneurial companies who gets the deal done- CEO of NASDAQ-traded enterprise software and services company- Led and grew divisions ranging from startup to over $250 million, with full P&L responsibilityBrought telecom company from startup to #12 on the Inc. 500- Pitched, negotiated and executed equity and debt deals ranging from $1 million to $70 million- Eighteen years of experience in developing successful business strategies for e-commerce, telecommunications, professional services and other companiesSpecialties: FINANCE, STRATEGY, EXECUTIONI have worked as an executive in the technology industry since 1988. Because of my extensive P&L experience, I have a first-hand understanding of the challenges a technology executive faces in executing a deal as well as an extensive set of industry contacts.
Listed skills include Strategy, Start Ups, Mergers And Acquisitions, Business Strategy, and 44 others.
Current workplace
Jonathan Rubin's current company
Company context helps verify the profile and gives searchers a useful next step.
12 roles · 43 years
Jonathan Rubin work experience
A career timeline built from the work history available for this profile.
Chair Emeritus
Yale School Of Management Alumni Advisory Board
There are now over 10,000 alumni of the Yale School of Management (SOM). The Yale SOM Alumni Advisory Board’s advances the values and mission of SOM, collaborating with and counseling SOM leadership, and engaging with alumni, students, and greater Yale.
Jul 2018 - Jun 2020
Managing Director
Abacus Capital Partners Llc
Managing Director for boutique investment banking firm specializing in mid-market technology M&A.
Jan 2002 - Jan 2006
Ceo
E-Sync Networks, Inc.
Achieved consecutive record quarterly revenues Moved company listing from Bulletin Board to NASDAQ Implemented new strategy, marketing plan, organization structure, investor relations program Secured additional equity financing
Dec 1999 - Oct 2000
Coo
Increased annual revenues by 28% (more than double average growth rate for previous two years), achieving positive cash flow Redesigned compensation plans, including implementation of company-wide stock option plan Implemented first training and orientation program
Sep 1998 - Dec 1999
President, Infocom Division
Nfo
Headed up the launch of the newest division of NFO focusing on the telecommunications industry Grew revenues by over 500% in one year, while bringing division to profitability
Apr 1997 - Sep 1998
President, General Consumer Group
Southern New England Telephone
Selected to head $240 million division providing full range of telecommunications services Oversaw firms most successful marketing effort ever, gaining 15% long distance market share in 10 months Conceived and launched SNETs War Room enabling company to adapt to emerging competition (Fortune article) Directed companys first foray into bundling.
Sep 1995 - Apr 1997
Svp
Trans National Group
1990 - 1995
~5 yrs
Senior Vice President
Trans National Communications, Inc.
Grew division revenue from $1 MM to $46 MM in 4 years (#12 on the Inc. 500 list of the fastest growing companies) and improved profitability by 36% Negotiated major sales contracts and opened new, more profitable channels of distribution (agents, third party resellers) Reduced unbillables by 87% over nine months Achieved lowest employee turnover of.
Dec 1990 - Sep 1994
Senior Associate
1988 - 1990
~2 yrs
Associate
1986 - 1988
~2 yrs
Associate
1983 - 1984
~1 yr
4 education records
Jonathan Rubin education
Mba
Yale School Of Management
Ba, English
Yale University
Education record
Nmh
Education record
Wayland
FAQ
Frequently asked questions about Jonathan Rubin
Quick answers generated from the profile data available on this page.
What company does Jonathan Rubin work for?
Jonathan Rubin works for Westbury Group LLC.
What is Jonathan Rubin's role at Westbury Group LLC?
Jonathan Rubin is listed as Middle market investment banker for entrepreneurs and family-owned companies at Westbury Group LLC.
What is Jonathan Rubin's email address?
AeroLeads has found 1 work email signal at @abacusstrategy.com for Jonathan Rubin at Westbury Group LLC.
What is Jonathan Rubin's phone number?
AeroLeads has found 5 phone signal(s) with area code 203, 508 for Jonathan Rubin at Westbury Group LLC.
Where is Jonathan Rubin based?
Jonathan Rubin is based in Guilford, Connecticut, United States while working with Westbury Group LLC.
What companies has Jonathan Rubin worked for?
Jonathan Rubin has worked for Westbury Group Llc, Yale School Of Management Alumni Advisory Board, Abacus Capital Partners Llc, E-Sync Networks, Inc., and Telechoice, Inc..
How can I contact Jonathan Rubin?
You can use AeroLeads to view verified contact signals for Jonathan Rubin at Westbury Group LLC, including work email, phone, and LinkedIn data when available.
What schools did Jonathan Rubin attend?
Jonathan Rubin holds Mba from Yale School Of Management.
What skills is Jonathan Rubin known for?
Jonathan Rubin is listed with skills including Strategy, Start Ups, Mergers And Acquisitions, Business Strategy, Entrepreneurship, Private Equity, Investment Banking, and Venture Capital.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trial