AeroLeads people directory · profile

John Downing Email & Phone Number

Executive Vice President at AP4 at AP4 Group
Location: Lakeland, Florida, United States 7 work roles 1 school
1 work email found @maine.rr.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@maine.rr.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Executive Vice President at AP4
Location
Lakeland, Florida, United States

Who is John Downing? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

John Downing is listed as Executive Vice President at AP4 at AP4 Group, based in Lakeland, Florida, United States. AeroLeads shows a work email signal at maine.rr.com and a matched LinkedIn profile for John Downing.

John Downing previously worked as Executive Vice President at Ap4 Group and President at Ap4 Group. John Downing holds Electrical Engineering, Gas Turbine Controls from Great Lakes Naval Station.

Company email context

Email format at AP4 Group

This section adds company-level context without repeating John Downing's masked contact details.

{first}.{last}@maine.rr.com
86% confidence

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

Profile bio

About John Downing

John “JD” Downing is the Executive Vice President over Business Development at AP4 Group, a leading provider of power generation solutions and services. With over 33 years of experience in the industry, John is an expert in gas and steam turbine operations, digital controls, excitation, network OT and IT systems, and data encryption technology. He has been involved in projects and services at hundreds of power plants on five continents, delivering reliable and secure power to millions of customers.John started his career in the US Navy, managing and directing shipboard power generation and propulsion systems for eight years. He then joined General Electric as a primary installation, commissioning and startup engineer for over 20 large frame gas turbines. In 2009, he co-founded and grew a successful power generation electrical and controls corporation, which merged with AP4 in 2020 and he still serves as the Executive Vice President. John is passionate about ensuring the safety and security of the American people and the power grid, and he is a recognized subject matter expert and thought leader in his field.

Listed skills include Gas Turbines, Commissioning, Power Generation, Power Plants, and 46 others.

Current workplace

John Downing's current company

Company context helps verify the profile and gives searchers a useful next step.

AP4 Group
Ap4 Group
Executive Vice President at AP4
AeroLeads page
7 roles · 19 years

John Downing work experience

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

Executive Vice President

Current

Lakeland, Florida, US

Jan 2021 - Present

President

Lakeland, Florida, US

Jun 2010 - Jan 2021

President

Current
Encrypted Grid

Encrypted Grid is a patented data encryption technology that will revolutionize cyber security of the Bulk Electric System.

Feb 2019 - Present

Gas Turbine Controls Specialist

Maine Automation
Mar 2009 - Oct 2010

Outage Supervisor

Fple
2007 - 2009 ~2 yrs

Field Engineer

Schenectady, NY, US

Jan 2000 - Feb 2007

Gse2

Washington, DC, US

Feb 1991 - Feb 1999
1 education record

John Downing education

  • Great Lakes Naval Station
    Great Lakes Naval Station
    Gas Turbine Controls
FAQ

Frequently asked questions about John Downing

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

What company does John Downing work for?

John Downing works for AP4 Group.

What is John Downing's role at AP4 Group?

John Downing is listed as Executive Vice President at AP4 at AP4 Group.

What is John Downing's email address?

AeroLeads has found 1 work email signal at @maine.rr.com for John Downing at AP4 Group.

Where is John Downing based?

John Downing is based in Lakeland, Florida, United States while working with AP4 Group.

What companies has John Downing worked for?

John Downing has worked for Ap4 Group, Encrypted Grid, Maine Automation, Fple, and Ge Energy.

How can I contact John Downing?

You can use AeroLeads to view verified contact signals for John Downing at AP4 Group, including work email, phone, and LinkedIn data when available.

What schools did John Downing attend?

John Downing holds Electrical Engineering, Gas Turbine Controls from Great Lakes Naval Station.

What skills is John Downing known for?

John Downing is listed with skills including Gas Turbines, Commissioning, Power Generation, Power Plants, Turbines, Energy, Instrumentation, and Engineering.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.