Ewing Transitions to Mass General Brigham

Tim Ewing

Tim Ewing, PhD, has joined Mass General Brigham as vice president of Learning and Organization Development, effective Nov. 15, leaving his position at the Brigham as vice president of Employee Diversity, Inclusion & Experience.

Bringing more than two decades of Human Resources experience to his new role, Ewing will continue to advance learning and development at the Brigham while also collaborating with his colleagues across MGB to scale and apply the Brigham’s model systemwide.

Since September 2018, Ewing has led Brigham Experience efforts, including advancing Diversity, Equity and Inclusion (DE&I), launching the Office of Mediation, Coaching, Ombuds and Support Services (OMCOSS), and initiating cultural transformation.

Immediately following his start at the Brigham, a culture assessment and workforce analysis was conducted, which included surveying employees. From that core work, the Brigham has been able to articulate values, define guiding principles, and establish leadership competencies. Ewing was a key leader in the team that advanced the Sperling Executive and Accelerator Leadership Development programs over the past two years. In addition, Ewing has moderated numerous education forums, including the recent Mass General Brigham (MGB) Racism, Trauma and Equity Town Hall, which had nearly 4,000 participants, and LGBTQ+ Pride: Healthcare and Policy in 2020.


Evangelista and Medina Promoted to Associate Chief Nursing Officer Positions

Danika Medina

Kate Evangelista

Kate Evangelista, DNP, CRNA, NEA-BC, has been appointed associate chief nursing officer for Perioperative Areas, and Danika Medina, MBA, RN, FACHE, NEA-BC, has been appointed associate chief nursing officer (ACNO) for Procedural Areas.

As ACNO for Perioperative Areas, Evangelista will continue to oversee the OR, PACU, Pre-op and the Weiner Center. She also will oversee the Day Surgery Unit at the Brigham and Women’s/Mass General Health Care Center in Foxborough. Before this promotion, Evangelista served as chief certified registered nurse anesthetist (CRNA) at the Brigham, and before that as Cardiac CRNA team leader at Mass General Hospital.

Medina, who also serves as ACNO of Ambulatory Services and Clinical Effectiveness, will lead the Brigham’s procedural areas, including Endoscopy, Interventional Cardiology and Radiology and Pain Management at the Brigham and Women’s Health Care Center at 850 Boylston St. Before joining the Brigham, Medina served as a clinical program director, researcher, and thoracic transplant coordinator at Methodist Sugar Land Hospital. Additionally, she was the manager of clinical and business operations at Memorial Hermann Health System in Texas.


McMahon Joins Patient Access Team

David McMahon

David McMahon rejoins the Brigham staff as Safe Care Commitment team manager, overseeing employee attestation, patient and visitor screening, and personal protective equipment distribution.

McMahon will function as part of the Patient Access team, which facilitates customer service, coordination of patient experiences in facility, and administrative advice. As manager, he will apply his knowledge from past work at the Brigham with his expertise in communications to accurately and effectively guide the team.

McMahon started his career in education and was a high school chemistry and theology teacher and a high school principal for several years.  In 2008, McMahon began his health care career at the Brigham as a project manager in the Department of Nursing. He was promoted to administrative director in 2012 and served in that role through 2018, during which time he led the Patient Care Services team in securing the Brigham’s Magnet designation.


Lemaire Named Strategic Initiatives and Partnerships Interim Vice President

Karen Lemaire, MHA, has been named interim vice president of Strategic Initiatives and Partnerships, effective Nov. 1. Lemaire will serve as interim vice president for one year while continuing her role as executive director of the Department of Radiology.

As interim vice president, Lemaire will oversee and advance the business development priorities and agreements underway at the Brigham. Additionally, she will collaborate with executive vice president and chief operating officer Shelly Anderson, MPM, Brandon Eldredge, chief new clinical business officer, and colleagues across Mass General Brigham to consolidate new business practices and business development activities across the system.

Lemaire has spent over 30 years in health care, developing her skillset in integrating clinical programs both domestically and internationally, overseeing finances, and developing successful business strategies. After graduating from the University of Rochester, Lemaire obtained a Master’s in health care administration from Simmons University. Before the Brigham, Lemaire held several management and leadership roles at Mass General Hospital.


headshot of Tim Lynch

Tim Lynch

Lynch Transitions to Harbor Medical Associates

After serving Brigham and Women’s Department of Neurology for 15 years, Tim Lynch, MBA, has stepped down from his role as the department’s executive director to transition to a role as executive director of the Brigham and Women’s Physicians Organization’s Harbor Medical Associates, effective Nov. 27.

Brigham and Women’s Harbor Medical Associates is part of the Brigham and Women’s Physicians Organization and is a multispecialty, primary care practice with more than 65 physicians. In this new role, Lynch will be responsible for strategy development and implementation, operations management, human resource management, finance, and more.

Since joining the Department of Neurology 15 years ago and Brigham Health 20 years ago, Lynch has served as a practice administrator, administrative director, and ultimately executive director. Lynch has partnered with the department’s leadership, physicians, and administrative and technical teams to build a highly reputable academic neurology department focused on delivering world class neurological care across urban and community-based settings, growing neurology research and teaching programs across Mass General Brigham, and ensuring the department’s long-term financial health.