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Bartek Ringwelski Email & Phone Number

Investor | Founder | ex-FB PM at Leap Ventures
Location: New York City Metropolitan Area, United States, United States 10 work roles 3 schools
1 work email found @fb.com 2 phones found area 646 and 917 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 2 phones

Work email b****@fb.com
Direct phone (646) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Investor | Founder | ex-FB PM
Location
New York City Metropolitan Area, United States, United States

Who is Bartek Ringwelski? Overview

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Quick answer

Bartek Ringwelski is listed as Investor | Founder | ex-FB PM at Leap Ventures, based in New York City Metropolitan Area, United States, United States. AeroLeads shows a work email signal at fb.com, phone signal with area code 646, 917, and a matched LinkedIn profile for Bartek Ringwelski.

Bartek Ringwelski previously worked as Partner at Leap Ventures and Partner at Defize. Bartek Ringwelski holds Master Of Business Administration (Mba), Strategy, Marketing, Operations from The Wharton School.

Company email context

Email format at Leap Ventures

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{first}{last}@fb.com
86% confidence

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

Profile bio

About Bartek Ringwelski

Bartek Ringwelski is a Investor | Founder | ex-FB PM at Leap Ventures. He is proficient in German.

Current workplace

Bartek Ringwelski's current company

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Leap Ventures
Leap Ventures
Investor | Founder | ex-FB PM
AeroLeads page
10 roles

Bartek Ringwelski work experience

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

Partner

Current

California, US

Leap backs technical founders working at top-tier tech companies to build something new while still employed.Prior Investments (personal and VC):Lending Club (series A, IPO), Klover (seed), AtomicFI (pre-seed), Kikoff (seed), Glean (seed), Deep Channel (seed), Tone Messaging (seed, acquired by Attentive), TrustLayer (seed), MVMT (seed), Free Model (seed).

Sep 2023 - Present

Partner

Current

Defize is an incubator solving practical problems in web3. $500k of seed capital & resources to help our founders move fast.

Jan 2023 - Present

Product Manager

1/ Incubated and launched payments on Instagram Direct2/ Led Messenger Biz Payments for APAC market ($10B+/m volume)

May 2020 - Jan 2023

Partner

Los Angeles, California, US

Core is an early-stage fintech venture firm investing in companies that help people be better off financially. I joined Core as an Entrepreneur-in-Residence with intention of starting a new venture, and then later came on as a Partner. I recently moved back to the greatest city in the world, hello again NYC.

Aug 2018 - May 2020

Coo, Bitflyer Usa

港区, 東京都, JP

bitFlyer is Japan's largest crypto exchange.I helped launch bitFlyer USA and was responsible for growth and operations.

Jul 2017 - Jul 2018

Sr. Director, Head Of Biz Ops (Ipo)

San Francisco, California, US

LendingClub is America's largest personal lender, and was the largest tech IPO of 2014.I launched and ran the 10-person business operations team, which was responsible for all borrower facing operational improvement and strategy. My team drove a 40% efficiency gain in lending, 20% faster loan decisions, and I hired some great people (now friends) who are.

Aug 2013 - Aug 2016

Shopping & Deliveries Product (Acquired By Ikea)

San Francisco, CA, US

TaskRabbit helps people get stuff off their todo list. In 2017, TaskRabbit was acquired by Ikea.I joined TaskRabbit after they acquired SkillSlate. At TaskRabbit, I had a variety of roles, including running the ‘Shopping & Deliveries’ product vertical, and acting as head of finance (briefly), where I managed our Series C fund raise.

Jan 2012 - Jul 2013

Founder & Ceo (Acquired By Taskrabbit)

New York, NY, US

SkillSlate connected consumers with individual service providers such as dog walkers, tutors and handymen.I raised $1.5mm from First Round Capital and other investors, built the product and team, and sold the business to TaskRabbit.

Aug 2008 - Jan 2012

Venture Analyst

San Francisco, California, US

Investment team on these deals: Lending Club (Series A & personal investment, ’14 IPO), eBillMe (’11 acq. by Western Union), Sourced CreditKarma for Series A - not executed:(, OpenSky (’15 acq. by Alibaba), MotionBox (‘10 acq. by SnapFish), GemVara (’16 acq. by Berkshire Hathaway)

Nov 2007 - May 2010

Investment Banking Analyst - Technology Group

Zurich, CH

Aug 2006 - Oct 2007
3 education records

Bartek Ringwelski education

Master Of Business Administration (Mba), Strategy, Marketing, Operations

The Wharton School

B.A, Economics

Columbia University

Advanced Software Engineering Immersive Program

Hack Reactor
FAQ

Frequently asked questions about Bartek Ringwelski

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

What company does Bartek Ringwelski work for?

Bartek Ringwelski works for Leap Ventures.

What is Bartek Ringwelski's role at Leap Ventures?

Bartek Ringwelski is listed as Investor | Founder | ex-FB PM at Leap Ventures.

What is Bartek Ringwelski's email address?

AeroLeads has found 1 work email signal at @fb.com for Bartek Ringwelski at Leap Ventures.

What is Bartek Ringwelski's phone number?

AeroLeads has found 2 phone signal(s) with area code 646, 917 for Bartek Ringwelski at Leap Ventures.

Where is Bartek Ringwelski based?

Bartek Ringwelski is based in New York City Metropolitan Area, United States, United States while working with Leap Ventures.

What companies has Bartek Ringwelski worked for?

Bartek Ringwelski has worked for Leap Ventures, Defize, Facebook, Core Innovation Capital, and Bitflyer.

How can I contact Bartek Ringwelski?

You can use AeroLeads to view verified contact signals for Bartek Ringwelski at Leap Ventures, including work email, phone, and LinkedIn data when available.

What schools did Bartek Ringwelski attend?

Bartek Ringwelski holds Master Of Business Administration (Mba), Strategy, Marketing, Operations from The Wharton School.

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