Bill Byham
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Bill Byham Email & Phone Number

Executive Chairman at Development Dimensions International (DDI) at Development Dimensions International, Inc.
Location: Bridgeville, Pennsylvania, United States 2 work roles 2 schools
2 work emails found @ddiworld.com 3 phones found area 412 and 724 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 86%

Contact Signals · 2 work emails · 3 phones

Work email b****@ddiworld.com
Direct phone (412) ***-****
LinkedIn Profile matched
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Role
Executive Chairman at Development Dimensions International (DDI)
Location
Bridgeville, Pennsylvania, United States
Company size

Who is Bill Byham? Overview

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Quick answer

Bill Byham is listed as Executive Chairman at Development Dimensions International (DDI) at Development Dimensions International, Inc., a company with 1479 employees, based in Bridgeville, Pennsylvania, United States. AeroLeads shows a work email signal at ddiworld.com, phone signal with area code 412, 724, and a matched LinkedIn profile for Bill Byham.

Bill Byham previously worked as Executive Chairman at Development Dimensions International, Inc. and Manager, Selection, Appraisal, and General Management Development at J.C. Penney Company. Bill Byham holds Doctor Of Philosophy (Ph.D.), Industrial And Organizational Psychology from Purdue University.

Company email context

Email format at Development Dimensions International, Inc.

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{first}.{last}@ddiworld.com
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AeroLeads found 2 current-domain work email signals for Bill Byham. Compare company email patterns before reaching out.

Profile bio

About Bill Byham

I have loved the field Industrial Organizational Psychology since discovering it during my senior year at Ohio University. It has allowed me to meld the science of Psychology with the competitive challenges of business. I am very proud to have co-founded DDI because it has been repeatedly named one of the best middle-sized companies to work for in America and has pioneered more important Industrial/Organizational Psychology methodologies than any other organization. DDI deals with many of the world’s largest companies through its 42 offices around the world and multiple millions of people go through its training and assessment programs each year. My biggest pride comes from the impact of our programs on people’s lives, which has led to our motto, “DDI changes lives.” Currently my main activity is working with teams of DDI associates to come up with and try new ideas and methodologies.To hear my views on what makes a great leader and how to succession planning, watch the videos below by clicking on the images. You can also read about why the Interaction Essentials, the foundational elements of many of our learning and development programs, are so impactful.

Current workplace

Bill Byham's current company

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Development Dimensions International, Inc.
Development Dimensions International, Inc.
Executive Chairman at Development Dimensions International (DDI)
bridgeville, pennsylvania, united states
Website
Employees
1479
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2 roles · 62 years

Bill Byham work experience

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

Executive Chairman

Current

Since co-founding DDI in 1970 with Dr. Douglas Bray, I’ve focused the company on providing human resources technologies and systems that will have a significant impact on people throughout the world—changing people’s lives. Some of the HR solutions that DDI has pioneered include the assessment center method, behavior-based interviewing, results-based.

1970 - Present ~56 yrs 4 mos

Manager, Selection, Appraisal, And General Management Development

Greater New York City Area

At J.C. Penney I applied human resource technologies and systems in order to generate positive impact on the organization's talent.

1964 - 1970 ~6 yrs
Team & coworkers

Colleagues at Development Dimensions International, Inc.

Other employees you can reach at ddiworld.com. View company contacts for 1479 employees →

2 education records

Bill Byham education

Doctor Of Philosophy (Ph.D.), Industrial And Organizational Psychology

Purdue University also presented me with an Honorary Doctorate of Social Science in 2007.

FAQ

Frequently asked questions about Bill Byham

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

What company does Bill Byham work for?

Bill Byham works for Development Dimensions International, Inc..

What is Bill Byham's role at Development Dimensions International, Inc.?

Bill Byham is listed as Executive Chairman at Development Dimensions International (DDI) at Development Dimensions International, Inc..

What is Bill Byham's email address?

AeroLeads has found 2 work email signals at @ddiworld.com for Bill Byham at Development Dimensions International, Inc..

What is Bill Byham's phone number?

AeroLeads has found 3 phone signal(s) with area code 412, 724 for Bill Byham at Development Dimensions International, Inc..

Where is Bill Byham based?

Bill Byham is based in Bridgeville, Pennsylvania, United States while working with Development Dimensions International, Inc..

What companies has Bill Byham worked for?

Bill Byham has worked for Development Dimensions International, Inc. and J.C. Penney Company.

Who are Bill Byham's colleagues at Development Dimensions International, Inc.?

Bill Byham's colleagues at Development Dimensions International, Inc. include Pam Dickey, Teresita Cruz, Laura-Nelle Hurst, Fiona Koh, and Ddi - Crystal Ellis.

How can I contact Bill Byham?

You can use AeroLeads to view verified contact signals for Bill Byham at Development Dimensions International, Inc., including work email, phone, and LinkedIn data when available.

What schools did Bill Byham attend?

Bill Byham holds Doctor Of Philosophy (Ph.D.), Industrial And Organizational Psychology from Purdue University.

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