Ottawa University's Master of Business Administration has been developed to serve the needs of adult learners with high quality professional preparation in business incorporating personal values and professional ethics. The MBA program is offered both online and during the evening in a classroom setting for maximum flexibility.

Ottawa University's Master of Arts in Human Resources degree is designed for working adults who wish to increase their human resources skills. Not only is the program designed to provide professional growth for human resources professionals but also for individuals who are seeking licensure in substance abuse counseling - level III (Arizona only) (individuals are responsible for contacting the Arizona Board of Behavioral Health Examiners for complete information on licensure).