Paul Geiger
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Paul Geiger Email & Phone Number

President and Co-Founder at Theorem Technologies at Theorem Technologies
Location: Greater Chicago Area, United States, United States 4 work roles 1 school
2 work emails found @theorem.io 2 phones found area 312 and 646 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 2 phones

Work email p****@theorem.io
Direct phone (312) ***-****
LinkedIn Profile matched
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Current company
Role
President and Co-Founder at Theorem Technologies
Location
Greater Chicago Area, United States, United States
Company size

Who is Paul Geiger? Overview

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Quick answer

Paul Geiger is listed as President and Co-Founder at Theorem Technologies at Theorem Technologies, a company with 4 employees, based in Greater Chicago Area, United States, United States. AeroLeads shows a work email signal at theorem.io, phone signal with area code 312, 646, and a matched LinkedIn profile for Paul Geiger.

Paul Geiger previously worked as President & Co-Founder at Theorem Technologies and Chief Information Officer at Thalēs Trading Solutions. Paul Geiger studied at The University Of Chicago.

Company email context

Email format at Theorem Technologies

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{first}@theorem.io
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AeroLeads found 2 current-domain work email signals for Paul Geiger. Compare company email patterns before reaching out.

Profile bio

About Paul Geiger

I’ve spent over 20 years building solutions within the financial services industry that bring transparency and clarity to the markets. Starting as a technology expert and leader with various brokerages, I’m now the President of Theorem Technologies, a company I Co-Founded in 2018, that specializes in post-trade data delivered as a Software as a Service.Throughout my career I’ve garnered a reputation as a problem solver for many trading communities, including hedge funds, fund of funds, commodity trading companies, and brokers. The secret to working with so many at once is to create products and companies that simultaneously fit in with any client business model while at the same time delivering a bespoke experience to every customer and user.

Listed skills include Electronic Trading, Trading Systems, Options, Prime Brokerage, and 46 others.

Current workplace

Paul Geiger's current company

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Theorem Technologies
Theorem Technologies
President and Co-Founder at Theorem Technologies
chicago, illinois, united states
Website
Employees
4
AeroLeads page
4 roles

Paul Geiger work experience

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

President & Co-Founder

Current

Greater Chicago Area

Theorem is a post-trade data management firm built for traders, investors, account owners, and brokers. Operating as a Software as a Service, Theorem delivers reports, reconciliations, trade workflows, risk management, and other tools inside an Internet based portal.As President and Co-Founder of this Chicago based startup, I am responsible for creating.

Oct 2017 - Present

Chief Information Officer

Greater Chicago Area

Lead architect and product manager for the Harvest technology platform - https://www.hrvst.ioHarvest is a comprehensive data management platform that provides reporting, analytics, trade flow, automation, reconciliation, aggregation, data transformation, and straight-through processing.

Jul 2012 - Sep 2017

First Vice President, Client Technology

(The Newedge Group was created on Jan 2, 2008 when Fimat merged with Calyon)Managed technology for the hedge fund / alternative investment client sales group. Responsibilities included clearing tools, reporting, matching & reconciliation and e-trading.

Jan 2008 - May 2012
1 education record

Paul Geiger education

FAQ

Frequently asked questions about Paul Geiger

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

What company does Paul Geiger work for?

Paul Geiger works for Theorem Technologies.

What is Paul Geiger's role at Theorem Technologies?

Paul Geiger is listed as President and Co-Founder at Theorem Technologies at Theorem Technologies.

What is Paul Geiger's email address?

AeroLeads has found 2 work email signals at @theorem.io for Paul Geiger at Theorem Technologies.

What is Paul Geiger's phone number?

AeroLeads has found 2 phone signal(s) with area code 312, 646 for Paul Geiger at Theorem Technologies.

Where is Paul Geiger based?

Paul Geiger is based in Greater Chicago Area, United States, United States while working with Theorem Technologies.

What companies has Paul Geiger worked for?

Paul Geiger has worked for Theorem Technologies, Thalēs Trading Solutions, Newedge Group, and Fimat Usa, Llc.

Who are Paul Geiger's colleagues at Theorem Technologies?

Paul Geiger's colleagues at Theorem Technologies include Chris Carleton and Zach Rolih.

How can I contact Paul Geiger?

You can use AeroLeads to view verified contact signals for Paul Geiger at Theorem Technologies, including work email, phone, and LinkedIn data when available.

What schools did Paul Geiger attend?

Paul Geiger studied at The University Of Chicago.

What skills is Paul Geiger known for?

Paul Geiger is listed with skills including Electronic Trading, Trading Systems, Options, Prime Brokerage, Derivatives, Equities, Fixed Income, and Back Office.

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