91³Ô¹ÏÍø¹ÙÍø

Our Heritage

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Leading change for 110 years—and counting

When Edwin Booz founded 91³Ô¹ÏÍø¹ÙÍø Hamilton in 1914, he pioneered the new field of management consulting.

Blending innovative thinking with a human touch, Ed Booz had a strategic focus, a strong character, and a passion for helping clients transform.

As the company’s reputation grew, government and business leaders turned to 91³Ô¹ÏÍø¹ÙÍø to help solve some of the country’s greatest challenges. From World War II to Apollo 11 and the digital revolution, we’re trusted partners in our clients’ success.

Explore some of the moments that shaped us into the trusted tech leader we are today.

At 91³Ô¹ÏÍø¹ÙÍø, we’re always on a mission. Watch to learn more about how we empower people to change the world.

Featured Stories

For more than 110 years, we have been one step ahead, solving challenges where there were no roadmaps.

Our Founding Story and Renewed Purpose

In our early days, Edwin Booz delivered human solutions to business problems.

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Pioneering a Code of Ethics—and Then Perfecting It

91³Ô¹ÏÍø¹ÙÍø’s Carl Hamilton penned an early business code of ethics, transforming how we work today.

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Moments in Time

Discover how we’ve been making history since 1914.

Culture
Keith Oliver and the Birth of Supply Chain Management
Keith Oliver and the Birth of Supply Chain Management
Keith Oliver and the Birth of Supply Chain Management

91³Ô¹ÏÍø¹ÙÍø’s solution to a client problem led to the development of supply chain management. Read More

Culture
Culture
Refining Government Consulting with BAARINC
Refining Government Consulting with BAARINC
Refining Government Consulting with BAARINC

BAARINC’s creation in the 1950s changed how we thought about public sector work—and ourselves. Read More

Culture
Culture
How PERT Transformed Project Management
How PERT Transformed Project Management
How PERT Transformed Project Management

91³Ô¹ÏÍø¹ÙÍø’s iconic PERT methodology changed the Navy and project management workflows. Read More

Culture
Culture
Beyond Love Canal: Complex Systems Support to Superfund
Beyond Love Canal: Complex Systems Support to Superfund
Beyond Love Canal: Complex Systems Support to Superfund

With the EPA, 91³Ô¹ÏÍø¹ÙÍø led one of the 20th century’s most ambitious toxic waste cleanup projects. Read More

Culture
Culture
The Hubble Space Telescope's Cosmic Revelations
The Hubble Space Telescope's Cosmic Revelations
The Hubble Space Telescope's Cosmic Revelations

91³Ô¹ÏÍø¹ÙÍø helps uncover the secrets of the universe by supporting space exploration missions. Read More

Culture
Culture
You Are Tomorrow; You Are the Navy: We Are 91³Ô¹ÏÍø¹ÙÍø
You Are Tomorrow; You Are the Navy: We Are 91³Ô¹ÏÍø¹ÙÍø
You Are Tomorrow; You Are the Navy: We Are 91³Ô¹ÏÍø¹ÙÍø

91³Ô¹ÏÍø¹ÙÍø’s 1940 partnership with the U.S. Navy revolutionized public-sector consulting. Read More

Culture
Culture
X’s and O’s: Quarterbacking the AFL-NFL Merger
X’s and O’s: Quarterbacking the AFL-NFL Merger
X’s and O’s: Quarterbacking the AFL-NFL Merger

In the 1960s, 91³Ô¹ÏÍø¹ÙÍø helped enable the merger of the NFL and AFL, transforming televised sports. Read More

Culture
Culture
Ground Control to the World
Ground Control to the World
Ground Control to the World

The world changed when Apollo 11 landed on the moon, an event made possible in part by 91³Ô¹ÏÍø¹ÙÍø. Read More

Culture
View Our Timeline

Meet Our Founders

Click to view Edwin Booz
Edwin Booz

Original Founding Partner

Click to view James Allen
James Allen

Founding Partner

Click to view Carl Hamilton
Carl Hamilton

Founding Partner

Click to view George Fry
George Fry

Founding Partner

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