Nadine GreinerDr. Nadine Greiner is the Chief Executive Officer of On Target Solutions and is an executive coach and human resources consultant in San Francisco, California. Previously the CEO of a healthcare company, she understands first-hand what it takes to bea successful executive. She holds a dual Ph.D. in Organization Development and Clinical Psychology, and is a certified Change Leader, Mediator, and certified Senior Professional in Human Resources. Read More Read Less