Greenleaf Health

Our Team

	Patrick Ronan Founder and President With 15 years of leadership experience in the Food and Drug Administration (FDA), on Capitol Hill and at a leading global pharmaceutical company, Patrick Ronan brings a keen understanding of the regulatory climate of the healthcare sector to Greenleaf Health LLC, a full service regulatory consulting firm he established in 2007. For more information on Patrick, please click here.		Daniel Schultz Senior Vice President, Medical Devices & Combination Products Dr. Schultz joined Greenleaf following a distinguished 35-year career of supporting and advancing the public health of Americans. He served for 15 years at the FDA, most recently as Director of the Center for Devices and Radiological Health (CDRH). For more information on Dan, please click here.
	Taryn Walpole Vice President of Corporate Affairs A strategic regulatory advisor and senior communications executive, Taryn Walpole brings more than a decade of leadership experience on Capitol Hill and the FDA. Most recently, Walpole served as Deputy Chief of Staff at FDA. For more information on Taryn, please click here.		Heather Rosecrans Senior Regulatory Advisor Heather Rosecrans brings more than 30 years of public health and medical device experience to Greenleaf Health LLC. Prior to joining Greenleaf, Rosecrans served as Director of the 510(k) Premarket Notification Staff at CDRH. For more information on Heather, please click here.
	Michael Chappell Senior Advisor Michael Chappell joins Greenleaf following a distinguished 38-year career in FDA’s Office of Regulatory Affairs where he most recently served as head of the agency’s Office of Regulatory Affairs. For more information on Michael, please click here.		Linda Carter Senior Advisor, Pharmaceuticals Linda Carter’s career has spanned research, regulatory, and the pharmaceutical industry. Carter’s 30 years of federal experience includes time at FDA and the National institutes of Health. For more information on Linda, please click here.
	Alice Jack Vice President, Business Development Alice Jack is a well-known leader within the medical device industry. With more than 30 years of medical device management experience, Alice has a unique understanding of the evolving industry. For more information on Alice, please click here.		Andrew von Eschenbach Consultant Dr. Andrew von Eschenbach has had a distinguished three-decade-long career as a physician, surgeon, oncologist, cancer researcher, medical educator, hospital executive and public servant. For more information on Andrew, please click here.
	Brooke Fern Director of Operations Brooke Fern brings 15 years of marketing and communications leadership, coupled with a strong customer focus, to her role as Chief Marketing Officer (CMO). For more information on Brooke, please click here.		Brittany Milby Director of Administrative Services Brittany Milby joined Greenleaf Health in 2010 with more than nine years of professional experience in pharmaceutical marketing and event planning. In her current position, Brittany spearheads multiple operations, including vendor contracts, scheduling management, and corporate event planning. For more information on Brittany, please click here.
	Kathleen Sonntag Chief Financial Officer Kathleen Sonntag serves as Chief Financial Officer at Greenleaf Health, LLC. In this role, Kathleen is responsible for all of the firm’s financial matters. Kathleen’s broad career experience spans financial services and the legal profession. For more information on Kathleen, please click here.