Managing Partner
Current
Jan 2010 - Present
AeroLeads people directory · profile
Gregory Leonarczyk Email & Phone Number
Managing Partner at Twelve Sutherland
at
Twelve Sutherland
1 work email found
@comcast.net
6 phones found area 914, 716, and 646
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Managing Partner at Twelve Sutherland
Location
New York, New York, United States
Who is Gregory Leonarczyk? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Gregory Leonarczyk is listed as Managing Partner at Twelve Sutherland at Twelve Sutherland, based in New York, New York, United States. AeroLeads shows a work email signal at comcast.net, phone signal with area code 914, 716, 646, and a matched LinkedIn profile for Gregory Leonarczyk.
Gregory Leonarczyk previously worked as Managing Partner at Twelve Sutherland and Co-Founder / Partner at Bosd Films. Gregory Leonarczyk holds Bachelor Of Science (Bs), Finance And Economics from Boston College.
Company email context
Email format at Twelve Sutherland
This section adds company-level context without repeating Gregory Leonarczyk's masked contact details.
*@comcast.net
68% confidence
AeroLeads found 1 current-domain work email signal for Gregory Leonarczyk. Compare company email patterns before reaching out.
Profile bio
About Gregory Leonarczyk
Gregory Leonarczyk is Managing Partner at Twelve Sutherland, a private investment firm. The firm backs all stages of company development, from Seed through Growth-Stage. He is actively involved in leveraging his team's extensive network of industry experts and market intelligence to advise his portfolio companies on strategy and design, execution, and performance.He was co-founder of Periscope Entertainment (2003-2009) and BoSDFilms (2003-2010). The former was an independent film production company, while the latter specialized in gap financing and senior-secured loans to the independent film industry. Additionally, Gregory co-founded LegalBrains, an early attempt to build a professional network for the legal industry, and Octavalent Consulting, a software company creating customized solutions for small businesses. Gregory's first position was with Glencore International, at the time the largest private commodities trading company in the world.Gregory is an adamant supporter of the positive effects of summer camps on child development. He has been a volunteer and contributor to America's Camp, a sleep-away program for children who lost a parent or sibling on 9/11, and Camp SeaStars North, which serves children affected by the Sandy Hook tragedy.
Listed skills include Start Ups, Management, Entrepreneurship, Management Consulting, and 16 others.
Current workplace
Gregory Leonarczyk's current company
Company context helps verify the profile and gives searchers a useful next step.
5 roles · 27 years
Gregory Leonarczyk work experience
A career timeline built from the work history available for this profile.
Co-Founder / Partner
Bosd Films
Oct 2002 - Dec 2009
Co-Founder / Partner
Periscope Entertainment
Jan 2003 - Jan 2008
Co-Founder
2000 - 2003
~3 yrs
Research Associate
1999 - 2001
~2 yrs
1 education record
Gregory Leonarczyk education
-
Boston College
FAQ
Frequently asked questions about Gregory Leonarczyk
Quick answers generated from the profile data available on this page.
What company does Gregory Leonarczyk work for?
Gregory Leonarczyk works for Twelve Sutherland.
What is Gregory Leonarczyk's role at Twelve Sutherland?
Gregory Leonarczyk is listed as Managing Partner at Twelve Sutherland at Twelve Sutherland.
What is Gregory Leonarczyk's email address?
AeroLeads has found 1 work email signal at @comcast.net for Gregory Leonarczyk at Twelve Sutherland.
What is Gregory Leonarczyk's phone number?
AeroLeads has found 6 phone signal(s) with area code 914, 716, 646 for Gregory Leonarczyk at Twelve Sutherland.
Where is Gregory Leonarczyk based?
Gregory Leonarczyk is based in New York, New York, United States while working with Twelve Sutherland.
What companies has Gregory Leonarczyk worked for?
Gregory Leonarczyk has worked for Twelve Sutherland, Bosd Films, Periscope Entertainment, Legal Brains, and Glencore.
How can I contact Gregory Leonarczyk?
You can use AeroLeads to view verified contact signals for Gregory Leonarczyk at Twelve Sutherland, including work email, phone, and LinkedIn data when available.
What schools did Gregory Leonarczyk attend?
Gregory Leonarczyk holds Bachelor Of Science (Bs), Finance And Economics from Boston College.
What skills is Gregory Leonarczyk known for?
Gregory Leonarczyk is listed with skills including Start Ups, Management, Entrepreneurship, Management Consulting, Business Development, E Commerce, Public Speaking, and Corporate Development.
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