Elizabeth “Liz” Leff is the Patient Advocacy Lead (Americas) at Telix. Responsible for driving patient-centric initiatives across the region, Liz brings a wealth of experience from her previous role as a patient advocate. She holds a Bachelor of Arts degree in Business and Political Science from the University of Denver, where she developed a deep understanding of the healthcare landscape and a passion for empowering patients.

Her past experience includes working as a Manager of Business Technology at Pfizer, a Director at Sofia Bio and August Research, and a Corporate Relations Director at the National Kidney Foundation. Liz’s expertise and dedication have made her a valuable asset to the Telix team, as they work to improve outcomes for individuals and communities.

Mr. Keith Parker leads the Men’s Ministry at Ebenezer A.M.E. Church in Fort Washington, Maryland. This ministry offers opportunities for men to develop their faith and discipleship using prayer, fellowship, bible study, and service. The mission of the Men’s Ministry is to love God, love one’s neighbors, and serve mankind. The ministry seeks to evolve spiritual growth and bonding between men to encourage members to become strong, confident role models and spiritual leaders.

Mr. Parker attended North Carolina Agricultural and Technical State University and Texas A&M University. His prior work experience includes serving as a Senior Project/Program Manager from 2010 to 2012 and as a Former Managing Consultant at Stafford Consulting Company from 2012 to 2013. He was also a Service Delivery Executive for Seventh Sense Consulting, LLC.

Mr. Parker and the Ebenezer A.M.E. Church’s Men’s Ministry partnered with the Prostate Health Education Network (PHEN) on June 14, 2025, to host the Prostate Cancer Community Rally in the DMV area (Washington D.C., Maryland, and Virginia). More than 130 men attended this event, and 64 men received a free prostate cancer screening PSA test.

Josefa Maria Briceno, MD,  is a Surgical Oncologist from Caracas, Venezuela, specializing in GI surgical oncology. She completed internships at the 12 de Octubre Hospital in Madrid (Liver Transplantation and Hepatobiliary Surgery) and MSKCC (Hepatobiliary and Gastric Surgery). After practicing for 13 years in her home country, she moved to the US and began a rewarding career in the pharmaceutical industry. Since 2015, AZ has been her home, starting as an MSL in Women’s Cancers. In 2016, she transitioned to headquarters, taking on roles of increasing responsibility in Medical Affairs and leading multiple launches for Faslodex, Lynparza, and Enhertu across different tumor types. She served as the Breast Cancer Medical Head (MH) for almost 5 years, overseeing all inline and pipeline breast cancer assets, the US medical affairs breast cancer strategy, and a diverse team of experts. In January 2025 she transitioned to the Gyn/GU (G2) Franchise as Medical Franchise Head, with responsibility across multiple assets and tumor types.

Emma Andrews, Pharm.D., is Pfizer’s Vice President, Global Patient Advocacy, leading the organization’s work to embed the patient perspective across all Pfizer’s efforts – from bench to bedside, and beyond. A registered pharmacist, Emma is passionate about helping people live longer, healthier, and more productive lives. In her current role, Emma works with internal and external stakeholders to advance patient-focused programs across the enterprise.

Emma is motivated by Pfizer’s common purpose: to bring breakthroughs to patients, regardless of where they are in the world. Her experience growing up in Uganda and Cote d’Ivoire has shaped her commitment to reducing healthcare disparities, improving health literacy, and advancing health equity in all she does.en.

Mr. Craig Hymon leads the Men’s Ministry at the Reid Temple A.M.E. Church of Glenn Dale, Maryland, serving as a Minister to Men. Furthermore, Brother Craig Hymon has assisted with conferences and events at Reid Temple A.M.E. Church, including a Men’s Conference in February 2024.

Mr. Hymon attended North Carolina Central University, where he received a bachelor’s degree in business administration in 1999. He gained a certificate in information technology from Duke University in 2001and went on to receive a master’s degree from the University of Cincinnati in 2007. Lastly, he obtained a Master of Divinity degree from the Grace School of Theology in 2024.

Mr. Hymon works as a realtor and a landscape manager. He has been a Landscape and Business Development Manager for Sure Restore Home and Lawn Care LLC, as well as a realtor for the Styles Realty Company, since 2019. Lastly, Mr. Hymon is a husband and father to four children.

Angelina Brown is President and Founder of Comfort With Chemotherapy, Inc. This organization aims to provide comfort and peace for individuals beginning cancer treatments by offering products and information to patients. Angelina is also a member of the Can-Cer-Vive Ministries at the Trinity United Church of Christ.

She obtained a Bachelor’s Degree in Business Administration from Elmhurst University in 1985. She was also Secretary-Treasurer and VP at Ottawa Ford L-M, Inc. From 1986 to 2009.