David Doyle: podcast appearances and interviews

David Doyle was involved in sales and business development at Sagent. There is no information provided in the source about his career in acting, which is attributed to a different individual with the same name. Based solely on the available details, Doyle's professional focus was in the fields of sales and business development, where he contributed to the growth and success of his organization. The specific roles or achievements within this sector are not detailed in the provided text. His affiliation with Sagent indicates a position within a company that likely involved strategic planning and client engagement. Details about his career progression, accomplishments, or industry influence are not included in the excerpt.