PMP Practice Makes Perfect: Over 1000 PMP Practice Questions and Answers

John A. Estrella, PhD, CMC, PMP, is the President of Agilitek Corporation, a management consulting firm that specializes in project management, business analysis, and software testing. An international consultant, John helps senior managers and executives with complex, large-scale projects.

Charles Duncan, PhD, PMP, manages a consulting group that specializes in software contract development, technical project troubleshooting, and management training.

Sami Zahran, PhD, PMP, has over three decades of experience in the software industry, in senior positions with large organizations.

James L. Haner, PgMP, PMP, is the head of Ultimate Business Resources (UBR), a firm that offers business and project management consulting services to Fortune 500 companies.

Rubin Jen, PMP, has been in project management for over 15 years, spanning aerospace, engineering, telecom, information technology, and other industries.