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Patrick Flannery Email & Phone Number
Founder
at
Ground Floor Energy
1 work email found
@lseg.com
10 phones found area 916, 816, and 212
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Who is Patrick Flannery? Overview
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Quick answer
Patrick Flannery is listed as Founder at Ground Floor Energy, based in London, England, United Kingdom. AeroLeads shows a work email signal at lseg.com, phone signal with area code 916, 816, 212, and a matched LinkedIn profile for Patrick Flannery.
Patrick Flannery previously worked as Head of Low Latency and Direct Feeds at Lseg (London Stock Exchange Group) and CEO and Founder at Maystreet. Patrick Flannery holds Computer Science from University Of Colorado Boulder.
Company email context
Email format at Ground Floor Energy
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{first}.{last}@lseg.com
86% confidence
AeroLeads found 1 current-domain work email signal for Patrick Flannery. Compare company email patterns before reaching out.
Profile bio
About Patrick Flannery
Patrick Flannery brings deep experience building advanced trading technology for highly scalable low-latency market data applications in equities and derivatives markets. Joined by his co-founder Michael Lehr, Patrick founded MayStreet in 2012 to deliver the fastest access to the broadest coverage of pristine, enterprise-wide market data.
Listed skills include Trading Strategies, Electronic Trading, Distributed Systems, Commodity Markets, and 31 others.
Current workplace
Patrick Flannery's current company
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4 roles
Patrick Flannery work experience
A career timeline built from the work history available for this profile.
Head Of Low Latency And Direct Feeds
CurrentSince LSEG's acquisition of MayStreet I'm focused on integrating and growing the MayStreet products; low latency feed handlers, direct feeds, extremely high quality historical market data and cloud delivery.
Jun 2022 - Present
Ceo And Founder
I founded MayStreet with Michael Lehr. Started by writing low latency market data feeds handler libraries. We named the product Bellport, after the town in Long Island. As we wrote the software we recognized how useful it is to have very high quality, packet capture data. We used a Wells Fargo business loan for 75k to buy our first capture server to collect US SIP and CME feeds. When we were acquired by the London Stock Exchange Group we collected nearly 350 feeds, in dozens of data centers around the world, all to support running critical systems for regulators, banks, hedge funds and exchanges.
Jan 2012 - Jun 2022
Software Engineer
Proprietarytrading Companies
I worked with several small and mid sized proprietary trading firms to build technology for US equities, equity options and futures markets. Mainly this was authoring low latency market data and order entry software then integrating these systems with trading logic, pricing and risk.
Jan 2004 - Oct 2011
1 education record
Patrick Flannery education
-
University Of Colorado Boulder
FAQ
Frequently asked questions about Patrick Flannery
Quick answers generated from the profile data available on this page.
What company does Patrick Flannery work for?
Patrick Flannery works for Ground Floor Energy.
What is Patrick Flannery's role at Ground Floor Energy?
Patrick Flannery is listed as Founder at Ground Floor Energy.
What is Patrick Flannery's email address?
AeroLeads has found 1 work email signal at @lseg.com for Patrick Flannery at Ground Floor Energy.
What is Patrick Flannery's phone number?
AeroLeads has found 10 phone signal(s) with area code 916, 816, 212 for Patrick Flannery at Ground Floor Energy.
Where is Patrick Flannery based?
Patrick Flannery is based in London, England, United Kingdom while working with Ground Floor Energy.
What companies has Patrick Flannery worked for?
Patrick Flannery has worked for Ground Floor Energy, Lseg (London Stock Exchange Group), Maystreet, and Proprietarytrading Companies.
How can I contact Patrick Flannery?
You can use AeroLeads to view verified contact signals for Patrick Flannery at Ground Floor Energy, including work email, phone, and LinkedIn data when available.
What schools did Patrick Flannery attend?
Patrick Flannery holds Computer Science from University Of Colorado Boulder.
What skills is Patrick Flannery known for?
Patrick Flannery is listed with skills including Trading Strategies, Electronic Trading, Distributed Systems, Commodity Markets, Fixed Income, Technical Analysis, High Frequency Trading, and Market Data.
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