Meet Our Team

Meet our team

Our team at Responsum Health is passionate about empowering patients through accurate and reliable information and strong community connections. Thankfully, we’re not alone in that—each of our platforms is supported by leading patient and medical experts who guide us along the way.

Andrew Rosenberg

Andrew Rosenberg

Founder and CEO
Andrew Rosenberg is the founder and CEO of Responsum Health, and co-founder of Thorn Run Partners, a leading Washington, D.C.-based government relations firm. Andy is a highly respected health policy expert and innovator, and is an eagerly-sought speaker on the subjects of health policy, patient centricity, and medical education. A graduate of Amherst College, Andy holds a law degree and a master’s degree in Urban and Environmental Planning from the University of Virginia. He lives in Washington, D.C., with his wife Jenny, and children Kate and Max.
Yury Salazar Smith

Yury Salazar Smith

Vice President of Operations
Yury Salazar Smith is Responsum Health’s VP of Operations. She has been instrumental in the design, revision, and development of Responsum’s systematic approach and proprietary technology since its launch. In addition to leading the leadership team, Yury supports the development team in data ops and product testing. She is a specialist in software product management, and has years of experience guiding patient engagement, alliance-building, digital marketing, social media, and technology development.
Monica Velasco

Monica Velasco

Director of Strategic Partnerships and Business Development
Monica Velasco serves as the Director of Strategic Partnerships and Business Development. She holds a master’s degree in Public Health from UCLA, and her experience in both hospital and managed care settings has taught her to lead with resilience, kindness, and empathy. In her dual role as Director of Strategic Partnerships and Business Development, Monica cultivates solid key partnerships, and helps Responsum grow to better serve our communities with education, safe space, and support. Outside of work, Monica enjoys traveling, trying new foods, and being an advocate for mental wellness.
Margalo Eden

Margalo Eden

Chief Content Editor
Margalo Eden serves as the Chief Content Editor for Responsum Health. She holds a master’s degree in English Literature from the City University of New York–Brooklyn College, and a master’s degree in Public Health Education and Promotion from the University of North Florida. Having professional experience in both public and private healthcare, Margalo has written and edited materials on such diverse topics as Alzheimer’s and related dementias, LGBTQ+ health, and suicide prevention.
Bridget Greinke

Bridget Greinke

Community Relations Director
Bridget Greinke is the Community Relations Director who works to ensure that Responsum Health members are receiving the support and resources they are looking for. In her role, Bridget specializes in building and maintaining positive relationships with the community. She earned her degree in Strategic Communication from Northern Arizona University.
Sharinda Williams-Simmons

Sharinda Williams-Simmons

Social Media Director
Sharinda Williams-Simmons is a digital media marketing professional with a passion for social media and branding. As a former news reporter, storytelling and advocacy are the heartbeat of any content she creates. Her past experience includes guiding the digital communications strategies for Emory University School of Medicine, Georgia Tech, and Morehouse School of Medicine.
Margalo Eden

Margalo Eden

Chief Content Editor
Margalo Eden serves as the Chief Content Editor for Responsum Health. She holds a master’s degree in English Literature from the City University of New York–Brooklyn College, and a master’s degree in Public Health Education and Promotion from the University of North Florida. Having professional experience in both public and private healthcare, Margalo has written and edited materials on such diverse topics as Alzheimer’s and related dementias, LGBTQ+ health, and suicide prevention.
Robert Saint Laurent
Robert Saint Laurent has been an editor for Responsum Health since 2016, covering multiple disease areas and working closely with the Pulmonary Fibrosis Foundation. He has also worked as a contributing health and science writer for SOCO Magazine since 2007 and is the author of FitWorks! Your 21st Century Way to Total Fitness. Rob holds a master’s degree in health promotion from Bridgewater State University.<br />
Samantha Aline Carpenter
Samantha Carpenter serves as a contributing writer for Responsum. She holds a master’s degree in Nutrition and Dietetics from Louisiana Tech University and has been a practicing registered dietitian since 2012. Samantha is experienced in multiple healthcare settings and has provided medical nutrition therapy for a variety of chronic conditions. Currently, she provides Telehealth care to patients with chronic kidney disease (CKD).
Christina Vetter

Christina Vetter

Senior Writer
Christina Vetter serves as a Senior Health Writer for Responsum Health. She holds a bachelor’s degree in Health from The University of Texas at San Antonio and a culinary arts degree from Le Cordon Bleu at Austin. She is an experienced health and nutrition writer and educator and has worked in the private and nonprofit sectors.
Alan Robin, MD

Alan Robin, MD

Glaucoma Medical Content Advisor
Dr. Robin serves as Glaucoma Medical Content Advisor for The Glaucoma Community. He is the Executive Vice President of the American Glaucoma Society (AGS), and is a leader in the clinical management and scientific study of glaucoma. Dr. Robin is an Associate Professor of Ophthalmology and International Health at Johns Hopkins University, and a Professor of Ophthalmology at the University of Michigan. He was also a Professor of Ophthalmology in the VA system. Moreover, Dr. Robin was the Co-Director of the Glaucoma Service at the Greater Baltimore Medical Center, and held an active private practice with offices in Baltimore and southern Pennsylvania.
Jenny Rosenberg

Jenny Rosenberg

Public Relations Director
Jenny Rosenberg previously served as Director of Communications to the Assistant Secretary for Health and the U.S. Surgeon General at the Department of Health and Human Services (HHS). In this position, she oversaw public affairs in the U.S. and internationally for several major public health initiatives, including the major national health challenges of tobacco use and reducing obesity rates. She is a graduate of the University of Wisconsin–Madison.
Bridget Greinke

Bridget Greinke

Community Relations Director
Bridget Greinke is the Community Relations Director who works to ensure that Responsum Health members are receiving the support and resources they are looking for. In her role, Bridget specializes in building and maintaining positive relationships with the community. She earned her degree in Strategic Communication from Northern Arizona University.
Michelle Luu

Michelle Luu

Operations and Marketing Assistant
Michelle Luu is the Operations and Marketing Assistant for Responsum Health. She has over two years of experience in digital marketing and operations, and graduated from the University of Hawaii at Manoa with a degree in Marketing and Management. During one of her college semesters, she studied abroad in South Korea at Yonsei University.
Sharinda Williams-Simmons

Sharinda Williams-Simmons

Social Media Director
Sharinda Williams-Simmons is a digital media marketing professional with a passion for social media and branding. As a former news reporter, storytelling and advocacy are the heartbeat of any content she creates. Her past experience includes guiding the digital communications strategies for Emory University School of Medicine, Georgia Tech, and Morehouse School of Medicine.
Hung Luu

Hung Luu

Chief Technology Officer
Software Engineer with more than 13 years of experience creating stable, scalable sysadmin solutions for both small and large businesses, specializing in simplicity in design, creative code, and innovation. He is a self-motivated professional with over 14 years of web development and programming experience and has an in-depth understanding of web standards, accessibility, and semantic markup. He lives in Ho Chi Minh city with his wife and beautiful kids.
Yury Salazar Smith

Yury Salazar Smith

Vice President of Operations
In addition to leading the Responsum leadership team, Yury supports the development team in data ops and product testing. Yury is a specialist in Software Product Management and has more than 5 years of experience launching digital communities for Responsum Health. She brings a rare combination of capabilities to lead a collection of experts in patient engagement, alliance building, digital marketing, social media, and technology development.
Dat Giang

Dat Giang

Lead Development Engineer
Software Engineer with more than 15 years of experience in software development, Dat helps mentor the development team in implementing features and creating new platforms using the best practices available.

Senior Advisors

Anthony Howell

Anthony Howell

Senior Advisor
He joined the team in Fall 2019 after working in print and digital healthcare information for nearly 20 years—founding and building medical publishing companies and online social communities. Tony’s expertise is built upon the shoulders of giants in patient advocacy, medical information, and social networks by understanding the needs of the communities, listening to their constituents, and bringing innovation to these sectors.
Vanessa Rangel Miller
Vanessa is passionate about developing innovative programs and partnerships that accelerate patient engagement and therapeutic development in rare and genetic diseases. As a co-founder of PatientCrossroads (d.b.a. AltaVoice), Vanessa brought together genetics, technology and partners forming more than 85 global online patient-centered registry programs for leading biopharmaceutical companies, disease organizations, academia and government.
Thayer Surette Roberts
Thayer has over a decade of experience in advocacy, coalition building, and strategic partnerships. She has a deep expertise in convening stakeholders with shared areas of interest and brings with her a comprehensive understanding of health policy, as well as a broad network of relationships within the patient advocacy and health policy communities.

Patient Advisors

Tanika Gray Valbrun

Tanika Gray Valbrun

Patient Advisor
She is an award-winning journalist, educator, and founder of The White Dress Project, a non-profit organization dedicated to supporting women with uterine fibroids, promoting awareness of the condition and its treatments, raising funds, and providing education. Tanika has successfully worked with doctors, health advocates, and state legislators to officially declare the month of July as Fibroids Awareness Month, and she is recognized as a thought leader and patient advocate for uterine health.
Stephen Berger

Stephen Berger

Patient Advocate and Contributor
Stephen is an engineer who focuses on developing consensus solutions that apply technology to societal problems, such as wireless in healthcare and disability access. He also has a Master of Theology degree from Dallas Theological Seminary, is a member of the Evangelical Theological Society, and was a volunteer hospital chaplain. Diagnosed with IPF in 2017, Stephen thinks a lot about faith, hope, values, and how to navigate the complex challenges we all face with grace, integrity and authenticity.
Erich Ditschman

Erich Ditschman

Patient Advocate and Contributor
Erich Ditschman serves as a patient advocate for Responsum Health. Erich is a national speaker, author, advocate, and blogger on his Facebook pages, Paddling on Dialysis for Kidney Health, and Black Children White Parents. His topics include kidney disease, dialysis, kidney transplant, intimacy with dialysis, coming to terms with chronic illness, getting outside, and discovering one’s best life in the face of adversity.
Tim Cox

Tim Cox

Patient Advocate and Contributor
Having been both a pastor and former idiopathic pulmonary fibrosis (IPF) patient, his column, “Prescriptions for Hope,” provides powerful insight into the patient experience, both pre- and post-transplant. Tim is also the author of Surprised by Tragedy: Finding Hope When Your Days Are Dark, a compelling story of hope throughout his IPF journey.