Depends on the PMO - there's no "one size fits all". A PMO which was specifically setup to support & oversee a specific program is equivalent in function to a Program Office, but not all PMOs are Program Offices.
Kiron Saving Changes...
Peter MorrisPM Consultant, Author| INDUS TechnologySan Antonio Texas, United States
Most organizations have established a number of groups,
programs, initiatives, meetings and activities targeting project
management control and excellence. These may include structures
dedicated to learning and applying project management
principles, and various status meetings and retrospectives where
progress, quality, budgets, metrics, risks, issues and other important
subjects are discussed and documented. The primary goal
is to promote solid project management processes, methodology
and culture. As companies begin to recognize the favorable
effects that project management has on profitability, emphasis
is now being placed on achieving professionalism in project
management using the program office concept. Doesn't matter what you call it. Saving Changes...
Shivanjali BhutkarBringing Technology and Business togetherNa, Ca, United States
PMO can have one/many program managers. PMO keeps the standards for all the department; it's a go to place for PMs(project/program). Saving Changes...