
Standing behind our work is a group of distinguished, experienced leaders who help shape our vision and hold us to it. Meet our board of directors.
Who we are
HLM is an award-winning, enthusiastic and interdisciplinary team of creative content and usability experts, with more than 100 years of combined experience in health literacy, public health and policy, clinical trials and research, plain language, health education, science communication, and graphic design, which is how we've become national thought leaders in health literacy.
Catina O'Leary
President & CEO
As President & CEO, Catina oversees Health Literacy Media’s core activities and programs to set and maintain the strategic vision for the organization. Her primary focus has been on building sustainable health literacy programming to address systemic challenges in the delivery of health care and clinical research, and making health and science information accessible and meaningful to the people who need it most.
Allen Todd
Chief Operating Officer
If you’re looking for a guide as you explore what health literacy and clear communication can look like for your work, let Allen walk with you. Creating and fostering meaningful partnerships with the ever-growing group of health care organizations, nonprofits, pharmaceutical companies, academic institutions (and more) we work with is Allen’s top priority.
Candra Asamoah
Director of Digital Media & Strategy
As the Director of Digital Media & Strategy, Candra works with our partners to strategize and develop innovative, creative, and engaging digital content to bridge the gap between complicated health information and the people who need to understand it — striking a balance between aesthetics and evidence.
Megan Rooney
Director of Health Education
As Director of Health Education, Megan leads our client and partner educational efforts on a wide range of topics in health literacy. Her work includes training and e-Learning development for professionals, as well as patient health education content development.
Derek Collins
Assistant Director of Business & Operations
As the Assistant Director of Business & Operations, Derek manages HLM's administrative, operational, and financial systems. From human resources to accounting, he has a hand in everything related to business development and program development.
Mat Stevens
Assistant Director of Clinical Trial & Science Communications
As Assistant Director of Clinical Trial & Science Communications, Mat leads the writing, design, and development of clinical trial summaries and science communication materials, with a focus on our Clearly Communicating Clinical Trials (C3T) program.
Arion Castillo
HR & Diversity, Equity and Inclusion Manager
As the HR & Diversity, Equity and Inclusion Manager, Ari makes sure everyone has what they need to do their job in an inclusive environment. She works with the team to develop programs to support a diverse and inclusive work environment. She also manages recruitment, staff retention, and helps to maintain a mentally and physically healthy workplace at HLM.
Sam Pettyjohn
Senior Advisor of Health Literacy and Communication
As a Senior Advisor of Health Literacy and Communication, Sam provides support for HLM’s health literacy, science, and research programming, and health content development. He brings years of health communication, community-driven science, and public health experience and expertise to the HLM team.
Elizabeth Rattine-Flaherty
Senior Advisor of Health Literacy and Communication
As a Senior Advisor of Health Literacy and Communication, Elizabeth works across HLM teams with project managers, writers, and designers to create clear messages and develop programs that help people make informed health decisions.
Lisa Cary
Senior Health Literacy Writer & Training Manager
As the Senior Health Literacy Writer and Training Manager, Lisa reviews hundreds of pages of content every year. She uses health literacy principles to translate health content into plain language, lends an expert eye to everything health insurance-related, and uses her design background to contribute to videography.
Christianna Reedy
Senior Science Writer
As a Health Literacy & Science Writer, Christianna uses plain language principles to translate complex science into words that are simple, yet accurate. In the Clearly Communicating Clinical Trials (C3T) program, she distills the process of clinical research, their outcomes, and how they advance medicine into easily digestible summaries.
Christina Goalby
Senior Advisor of Transplant Partnerships and Education
As the Senior Advisor of Transplant Partnerships and Education, Christina dedicates her work to the kidney transplant and living donation community, including patients, providers, and research collaborators to promote informed treatment decisions.
Lexi Saltzman
Project Coordinator
As a project coordinator, who focuses on our Clearly Communicating Clinical Trials (C3T) program, Lexi primarily coordinates the translation and distribution of plain language clinical trial summaries, to ensure that as many people as possible can understand and access the summaries.
Tamara Whitehorn
Operations Assistant
Tamara's current role as Operations Assistant at HLM is two-fold. As part of the Clearly Communicating Clinical Trials (C3T) team, she supports HLM's audience testing program. As a part of the Business team Tamara provides assistance with grant management, data evaluation, system development, and coordinating project timelines.
Elisa Yinh
Creative Content Designer
As a Creative Content Designer, Elisa weaves evidence-based information, clear language, and creative design into digital content to educate and empower public and professional audiences. A health literate design triple threat, she creates engaging animated videos, designs eLearnings, fact-sheets, and social media graphics, and does voiceovers.
Anna Williams
Health Science Writer
As a Health Science Writer, Anna works with HLM’s partners to write and design patient-facing materials for clinical trials and healthcare services. She uses health literacy principles to ensure HLM’s content is accurate, accessible, and easy to understand. Anna is a member of the Clearly Communicating Clinical Trials (C3T) team.









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