Patient Safety isn’t just
a responsibility –
it’s a mission.

With SafeTower as your partner, you’ll have the tools to lead with confidence today and build a safer future for every patient, every day.

Born at Johns Hopkins, we’re a team of patient safety experts, clinicians, and data scientists on a mission to transform how healthcare organizations detect, understand, and prevent harm. Our AI-powered platform turns complex safety and patient experience data into clear, actionable intelligence — reducing staff burden and empowering your team to move from reactive reporting to proactive improvement.

Dedicated to Changing the Way
the World Looks at Safety.

Seeing deeper into the trends of data, SafeTower helps health care organizations improve the way they capture, share, analyze and implement proactive patient safety workflows and processes.

Developed by a team of experts from the Johns Hopkins Armstrong Institute for Patient Safety and Quality, SafeTower has introduced a revolutionary patient safety reporting and event management platform powered by machine learning. The solution has been utilized within Johns Hopkins across six hospitals, over 525 ambulatory clinic locations, six ambulatory surgery centers and a home health practice.

Our Story
Our Mission
Our Vision

Our Story

Dedicated to Changing the Way the World Looks at Safety.

Seeing deeper into the trends of data, SafeTower helps health care organizations improve the way they capture, share, analyze and implement proactive patient safety workflows and processes.

Developed by a team of experts from the Johns Hopkins Armstrong Institute for Patient Safety and Quality, SafeTower has introduced a revolutionary patient safety reporting and event management platform powered by machine learning. The solution has been utilized within Johns Hopkins across six hospitals, over 525 ambulatory clinic locations, six ambulatory surgery centers and a home health practice.

Our Mission

Transform safety practices using innovative technology and deeper human understanding.

Our Vision

Protect more people by fundamentally reshaping safety across the world.

Applied Expertise. United for Good.

We’re a team of founding inventors, technologists and operations experts with a shared passion to create a better way to help.

Team MembersBoard Members
Interested in joining the team? Email your resume to hello@safetower.com

Eileen Kasda, DrPH, MHS

Eileen Kasda, DrPH, MHS, brings well over a decade of expertise in patient safety to the SafeTower team. Eileen is a thought leader and expert in event reporting, high reliability and patient safety analytics. She led the Johns Hopkins event reporting operations and created the vision for the Hero software application. Eileen presents regularly, both nationally and internationally, on strategies to improve safety culture and to design care delivery systems to improve patient safety. Eileen holds a Doctor of Public Health degree in Healthcare Management and Leadership from Johns Hopkins Bloomberg School of Public Health.

Asa Adadey

Asa Adadey, MS, is a Data Scientist and Health Informaticist. His experience ranges from genomics and systems biology to supply chain optimization and inventory management. His expertise is in employing natural language processing and machine learning techniques towards various health care applications such as classifying unstructured event reporting data and identifying risk signals in EHR data. Asa was instrumental in designing the Hero solution at Johns Hopkins Health System and supporting its rollout since 2021. At SafeTower, he is responsible for research and development of machine learning techniques and frameworks for the system-wide event reporting platform and for developing qualitative analytics to support the culture of patient safety. Asa holds a Master of Science in Computational and Systems Biology from MIT.

Kara Hale

Kara Hale, MSc, brings over 20 years of Software Engineering expertise to SafeTower. Kara has managed a wide array of projects spanning patient safety event reporting, major website redesigns, and WAN and application optimization. Notably, she played a pivotal role in implementing the Hero system across Johns Hopkins. Kara has a Master of Science degree in Computer Science from The University of Edinburgh.

Christine Robson

Christine Robson, MSN, RN, has seven years of experience managing the patient safety event reporting efforts across the Johns Hopkins Medicine enterprise. She was responsible for the hugely successful rollout of the Hero system across all Johns Hopkins Medicine facilities since April 2021. Christine is uniquely attuned to the challenges frontline staff and patient safety teams face based on her nine years of experience as a bedside nurse. She has experience entering adverse event reports as a nurse, investigating events, and responding to them at a local hospital and health system level, and identifying patterns in large patient safety event datasets. Christine holds a Master of Science degree in Nursing as an Adult-Gerontological Clinical Nurse Specialist from Johns Hopkins School of Nursing.

Nisha Sinha

Nisha Sinha, MBA, has years of experience configuring and maintaining patient safety event reporting applications and extracting and analyzing patient safety data. She has served as the main point of contact for users of the event reporting system across Johns Hopkins. Her experience in user-centered design and client support has been instrumental in informing SafeTower’s solution for event reporting in promoting a culture of safety and transparency.

Nisha holds a Master of Business Administration from Loyola University Maryland. She obtained her Bachelor of Science degree in Global Community Health with an emphasis in Biology from George Mason University.

Nick Culbertson

Nick Culbertson is the CEO of Protenus, an AI company that helps health systems eliminate risk through compliance automation. Under Nick’s leadership, Protenus has been recognized by Gartner as a Cool Vendor in Healthcare Artificial Intelligence, by CB Insights as one of the Most Innovative Digital Health Startups, by Forbes as one of America’s Top Startup Employers, and by Modern Healthcare as one of the Best Places to Work in Healthcare. Prior to founding Protenus, Nick attended the Johns Hopkins School of Medicine and served in the US Military as a Special Operations “Green Beret” and Advanced Tactical Practitioner.

Peter Najjar, MD

Dr. Najjar is the Medical Director of Clinical Operations for Johns Hopkins Medicine’s Armstrong Institute for Patient Safety and Quality and Assistant Professor of Surgery in the Ravitch Division of Colorectal Surgery at Johns Hopkins Hospital, specializing in complex robotic colorectal surgery. He completed his surgical training at Harvard’s Brigham and Women’s Hospital/Dana-Farber Cancer Institute in Boston, where he also completed the Harvard Medical School Fellowship in Patient Safety and Quality and served as a senior quality consultant. He received his B.S. summa cum laude from the University of California, Davis, M.D. from the University of Chicago, and M.B.A. from Harvard Business School.

He is experienced in health system clinical operations, quality and safety measurement and governance, innovation/commercialization, and the implementation of care improvement programs. He serves on the executive board of Priority Partners, the largest Medicaid managed care organization in Maryland, as well as the quality and safety boards of Howard County General Hospital and Johns Hopkins Bayview Medical Center. He served as a value-based surgery consultant to the previous Executive Director of the American College of Surgeons.  He teaches and lectures internationally, and his writing appears in JAMA Surgery, Annals of Surgery, the Journal of the American College of Surgeons, and Diseases of the Colon and Rectum, among others.

Kevin Sowers, MS

Kevin Sowers is president of the Johns Hopkins Health System and executive vice president of Johns Hopkins Medicine, overseeing the health system’s six hospitals in Maryland, Washington, D.C., and Florida. He sets strategies that align with the organization’s tripartite mission: to deliver outstanding care, train the next generation of leaders, and advance research and discovery. He also serves as chair of Johns Hopkins Community Physicians, which has more than 40 primary and specialty care outpatient sites.

He earned his Bachelor of Science degree from Capital University School of Nursing and his Master of Science degree from Duke University School of Nursing. In 2020, he was recognized by the Columbia School of Business with the prestigious Deming Cup Award, which honors business leaders for outstanding merit in operations and for fostering a culture of continuous improvement within their organizations.

Craig Williams, PhD

Craig Williams is Vice President of Health Care Innovation and Management Solutions for Johns Hopkins HealthCare LLC. He leads a business that brings together Johns Hopkins HealthCare Solutions and Ventures to form a single platform to partner with Johns Hopkins faculty to advance applied solutions to meet health care challenges in the marketplace. Craig also supports Johns Hopkins University’s commitment to the economic transformation of Baltimore and Maryland in public-private efforts to build, attract, and retain innovative companies in the local ecosystem. Prior to joining Johns Hopkins in 2016, he served two Governors of Maryland and a U.S. Representative. He also served as Director of Policy for the U.S. for Amgen, Inc. Craig earned his Ph.D. from the University of Oklahoma in Political Science, with a concentration in public policy, which he has focused in health care for the past two decades.