John Sinclair Simpson Jr.
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John Sinclair Simpson Jr. Email & Phone Number

Managing Partner at Panta Rhei Capital
Location: Chicago, Illinois, United States 9 work roles
1 work email found @i-cls.com LinkedIn matched
✓ Verified July 2026 3 data sources Profile completeness 86%

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Current company
Role
Managing Partner
Location
Chicago, Illinois, United States
Company size

Who is John Sinclair Simpson Jr.? Overview

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Quick answer

John Sinclair Simpson Jr. is listed as Managing Partner at Panta Rhei Capital, a with 18 employees, based in Chicago, Illinois, United States. AeroLeads shows a work email signal at i-cls.com and a matched LinkedIn profile for John Sinclair Simpson Jr..

John Sinclair Simpson Jr. previously worked as Senior Market Strategist at Walsh Trading, Inc. and Senior Vice President at Tjm Institutional Services.

Company email context

Email format at Panta Rhei Capital

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*@i-cls.com
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Profile bio

About John Sinclair Simpson Jr.

With over 20 years of experience as a commodity broker, I have traded, brokered, and managed on the floors of the Chicago Mercantile Exchange and the Chicago Board of Trade. I am a registered Commodity Trading Advisor (CTA) and Commodity Broker with the NFA, and currently serve as a Senior Market Strategist at Walsh Trading in Chicago.My passion for the markets, combined with my experience as a senior market strategist across diverse sectors — from grains and livestock to indices, energies, and currencies — enables me to effectively assist my clients in managing risk and navigating the complexities of hedgers and speculators.I have a talent for building strong relationships within the industry, always prioritizing the needs of my clients. My trading methodology integrates both technical and fundamental analysis to ensure informed, strategic decisions.

Listed skills include Business Strategy, Strategy, Strategic Planning, Account Management, and 23 others.

Current workplace

John Sinclair Simpson Jr.'s current company

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Panta Rhei Capital
Panta Rhei Capital
Managing Partner
Chicago, IL, US
Employees
18
AeroLeads page
9 roles

John Sinclair Simpson Jr. work experience

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

Senior Market Strategist

Current

Chicago, Illinois, United States

I am a registered Commodity Broker and Senior Market Strategist at Walsh Trading in Chicago.With a deep passion for the markets and extensive experience across sectors — from grains and livestock to indices, energies, and currencies — I help my clients effectively manage risk and navigate the complexities of dealing with both hedgers and speculators.My ability to build strong relationships within the industry allows me to consistently put the customer first. My trading… Show more I am a registered Commodity Broker and Senior Market Strategist at Walsh Trading in Chicago.With a deep passion for the markets and extensive experience across sectors — from grains and livestock to indices, energies, and currencies — I help my clients effectively manage risk and navigate the complexities of dealing with both hedgers and speculators.My ability to build strong relationships within the industry allows me to consistently put the customer first. My trading methodology combines both technical and fundamental analysis to ensure informed and strategic decision-making. Show less

Sep 2024 - Present

Managing Partner

Current
Panta Rhei Capital

Chicago, Illinois

Panta Rhei Capital is a registered Commodity Trading Advisor (CTA) with the National Futures Association (NFA), based in Illinois.Panta Rhei means "everything flows" in ancient Greek, reflecting the philosophy of Heraclitus, who said, "No man ever steps in the same river twice, for it's not the same river and he's not the same man."This idea captures the essence of constant change, as Heraclitus also famously stated: "Change alone is unchanging."This philosophy is the foundation… Show more Panta Rhei Capital is a registered Commodity Trading Advisor (CTA) with the National Futures Association (NFA), based in Illinois.Panta Rhei means "everything flows" in ancient Greek, reflecting the philosophy of Heraclitus, who said, "No man ever steps in the same river twice, for it's not the same river and he's not the same man."This idea captures the essence of constant change, as Heraclitus also famously stated: "Change alone is unchanging."This philosophy is the foundation of all our trading decisions, investments, and creativity, giving Panta Rhei Capital a competitive edge and business leverage. Show less

Jun 2014 - Present

Senior Vice President

Chicago Board Of Trade

Managing 25 Million Dollar Desk

Oct 2006 - Mar 2008

Kottke & Associates Broker

Chicago Board Of Trade

Filling Broker in Mini-Dow Futures and Treasury Spreads in the 30 yr., 5 yr., and 10 yr. Futures Markets.

Jun 2001 - Oct 2006

Arbitage Clerk

Chicago Board Of Trade

Arbitrage Clerk Executing Orders for the World's Largest Banks in the 30 yr. Bonds and the 5 yr. Notes

Oct 1996 - Jun 2001

Broker And Seat Owner Cme

Chicago Mercantile Exchange

Independent Filling Broker for Goldman Sachs and many other of the World's Largest Banks in the Eurodollar Market.

Dec 1989 - Oct 1996

Arbitrage Clerk

Chicago Mercantile Exchange

Executing orders in the Japanese Yen Futures, Eurodollar Futures, and the SP 500 futures for Shearson Lehman, Goldman Sachs and other Large Institutional Banks.

Jun 1983 - Dec 1989
Team & coworkers

Colleagues at Panta Rhei Capital

Other employees you can reach at walshtrading.com. View company contacts for 18 employees →

FAQ

Frequently asked questions about John Sinclair Simpson Jr.

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

What company does John Sinclair Simpson Jr. work for?

John Sinclair Simpson Jr. works for Panta Rhei Capital.

What is John Sinclair Simpson Jr.'s role at Panta Rhei Capital?

John Sinclair Simpson Jr. is listed as Managing Partner at Panta Rhei Capital.

What is John Sinclair Simpson Jr.'s email address?

AeroLeads has found 1 work email signal at @i-cls.com for John Sinclair Simpson Jr. at Panta Rhei Capital.

Where is John Sinclair Simpson Jr. based?

John Sinclair Simpson Jr. is based in Chicago, Illinois, United States while working with Panta Rhei Capital.

What companies has John Sinclair Simpson Jr. worked for?

John Sinclair Simpson Jr. has worked for Panta Rhei Capital, Walsh Trading, Inc., Tjm Institutional Services, Mf Global, and Cme Group.

Who are John Sinclair Simpson Jr.'s colleagues at Panta Rhei Capital?

John Sinclair Simpson Jr.'s colleagues at Panta Rhei Capital include Dziugas Dirzys, Lynne Mayer, Stephen E. Davis, John Walsh, and Steve Caldwell.

How can I contact John Sinclair Simpson Jr.?

You can use AeroLeads to view verified contact signals for John Sinclair Simpson Jr. at Panta Rhei Capital, including work email, phone, and LinkedIn data when available.

What skills is John Sinclair Simpson Jr. known for?

John Sinclair Simpson Jr. is listed with skills including Business Strategy, Strategy, Strategic Planning, Account Management, New Business Development, Sales Management, Start Ups, and Business Development.

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