About Lakeside

John J. Hemmingson, Founder & Chairman of Lakeside Companies
John J. Hemmingson
Founder & Chairman
Executive Leadership Team

John J. Hemmingson

John J. Hemmingson is an entrepreneur, leader, and philanthropist whose extensive business career includes leading successful mergers, public offerings, start-ups, and divestitures. John's extensive business experience, coupled with a curiosity and desire to understand unique business opportunities, led him to found Lakeside Companies in 1997.

Over the last 25 years, John's leadership has grown Lakeside into an organization that spans multiple business sectors, including education, aerospace, real estate, agriculture, oil and natural gas, and construction. John's passion and success with leading people have enabled him to selectively grow the organization with intelligent, visionary team members who execute Lakeside's vision to build great companies that contribute to their communities.

Philanthropy is a huge part of John's life and Lakeside's culture. All Lakeside organizations are rooted in John's personal mission to give back to the community.

John cares deeply about education, advocacy, and fighting poverty and contributes to many organizations aiding these important causes. He currently serves on the Board of Trustees at Gonzaga University.

Recent philanthropic news at jjhfoundation.org

Small enough to be nimble. Big enough to transform a region.

When John Hemmingson founded Lakeside Companies in 1997, he set out to create a firm that was small and nimble enough to seize business opportunities as they arose, but big enough to transform our region by adding well-paying jobs and attracting industry. More than two decades later, Lakeside Companies management has built a portfolio that has made us a business leader in the region, while allowing us to devote both time and resources to meaningful philanthropic work.

1997

Founded

1998

ATI Acquired

2006

PetrolinkUSA Acquired

2008

ATI Sold for $220M

2010

Initial Investment in ATC Manufacturing

Local Bank Bolster

2012

First Land Investment

2013

Architerra Homes Founded

Coeur Development Founded

2015

First Home Sold

ATC Manufacturing Expansion

2017

The Lux Established

2018

Reliable Industrial Group Formed

2019

RIG Becomes ExxonMobil’s National Reliability Partner

1,050 Acres Purchased for Future Development

Founded Kootenai County Land Company

2020

Rainier Seeds Acquired

2021

Flint Road Building Acquired

Rental Community Launched

Markham Homes Acquired

2022

RIG Investment Realized

2023

Coeur Terre Annexed Into Coeur d’Alene

ATC Lands Extended Contract with Boeing

Lakeside Celebrates 25 Years

Associate Partners Announced

Lakeside Capital Group Becomes Lakeside Companies

2024

John Hemmingson Named ’24 People Of Influence

ATC Named A Top Composites Shop

2025

John Hemmingson Named Business Leader Of The Year

Lakeside Companies Names David Weeks as CEO as Founder John J. Hemmingson Assumes the Role of Chairman

Hemmingson Senior Living Founded

Century Cattle Company Founded

2026

ATC Manufacturing Expands Defense Capabilities with U.S. Air Force Contract

Lakeside Acquires Boyer Park and Marina

Lakeside Acquires The Highlands Golf Course

Loan Peak Financial Launches to Serve New Construction Homebuyers Across the Inland Northwest