Error! You must have javascript enabled to use this form. Please enable Javascript in your browser. American Pharmacy Purchasing Alliance (APPA) President, Brandon K. Welch Launches a PBM Mafia Book Brandon K. Welch. President of American Pharmacy Purchasing Alliance (APPA), today launched an e-book titled PBM Mafia. View full press release Your Name: Your Email: To Email: To BCC: Subject: Comments: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send