John Duncan: Email & Phone Number

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Founder at 43rd Parallel LLC|Greater Sioux Falls Area, United States

Position:

Founder at 43rd Parallel LLC

Location:

Greater Sioux Falls Area, United States

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Last updated: 2026-07-08

Updated: 2026-07-08

Found email addresses for John Duncan:

Business emails:

d***@gmail.com

Personal emails:

d***@gmail.com,

d***@amazon.com,

j***@hotmail.com,

d***@gevo.com

Found phones for John Duncan:

+1-623-***-**38,

+1-520-***-**95,

+1-909-***-**66,

+1-323-***-**89

A different John Duncan?

Work Experience 18 years

Founder at 43rd Parallel LLC

Mar 2023 - Current

Managing Director at Okoboji Vending Company

May 2023 - Current

Logistics Specialist at Amazon

Sep 2022 - Jan 2024

Quality Assurance Quality Control at Gevo, Inc.

Jun 2021 - Sep 2022

Patriot Launching Station Enhanced Operator / Maintainer at US Army

Sep 2008 - Jun 2014

John Duncan started working in 2008, then the employee has changed 4 companies and 4 jobs. On average, John Duncan works for one company for 3 years.

Their professional focus is Commercial Insurance, Computer Maintenance, and Computer Network Operations across 3 core areas.

Education

Bachelor of Science - BS at Southwest Minnesota State University

Naveen Jindal School of Management, UT Dallas

Associate's degree at Richland Community College

Frequently Asked Questions

What is John Duncan's email address?

SignalHire found verified email addresses for John Duncan, both business and personal. Their business email is d***@gmail.com, and personal emails include d***@gmail.com, d***@amazon.com, and j***@hotmail.com.

What is John Duncan's phone number?

SignalHire found multiple verified phone numbers for John Duncan: +1-623-***-**38, +1-520-***-**95, and +1-909-***-**66.

How do I contact John Duncan at 43rd Parallel LLC?

You can reach John Duncan through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Duncan's professional background?

John Duncan has 18 years of professional experience. They have held roles including Managing Director, Logistics Specialist, and Quality Assurance Quality Control at companies such as Okoboji Vending Company, Amazon, and Gevo, Inc.. Their education includes Bachelor of Science - BS from Southwest Minnesota State University, and Naveen Jindal School of Management, UT Dallas.

Is John Duncan's contact information up to date?

Yes. John Duncan's SignalHire profile was last updated on 8 July 2026, reflecting their current position as Founder at 43rd Parallel LLC.

John Duncan Namesakes

Name

Company

Position

John Duncan

Broadhurst Primary School

Head Teacher

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John Duncan

GA EAST MUNICIPAL ASSEMBLY

Client Services Manager

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John Duncan

Goldman Sachs

Vice President

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