Our team of experts helps build world class companies.

Led by a group of longtime healthcare entrepreneurs and investors, we bring a tremendous amount of experience both working with early and late stage companies, as well as running healthcare businesses.

Meet Our Team

Robbie Greenglass
Robbie Greenglass

Robbie founded Waterline Ventures in 2014. Robbie has also spent time as the Vice President of Business Development at Shields Health Solutions, a hospital services company in the specialty pharmacy space. Prior to founding Waterline, Robbie was an investor at Highland Capital Partners, and helped launch Causeway Media Partners, a sports technology investment fund. Prior to Highland, Robbie was an investment banker in the Healthcare Group at Oppenheimer & Co. and CIBC World Markets. Robbie received a B.A. from Brown University and a M.B.A. from Harvard Business School.

John Curtin
John Curtin

John joined Waterline in 2019. Prior to joining Waterline, John was an investment banker at AGC Partners where he worked on deals in the technology and services sectors. John received a B.A. in Economics and Chinese from Bowdoin College, where he was a Sarah and James Bowdoin Scholar.

Ellie Carson
Ellie Carson

Ellie joined Waterline in 2023. Prior to joining Waterline, she worked at Goldman Sachs in the Global Banking and Markets Division. Ellie worked as an equity sales trader covering healthcare-dedicated and generalist hedge funds and asset managers. Ellie received a B.A. in Government and Psychology from Dartmouth College.

Mike Baird
Mike Baird

Mike is an Operating Partner at Waterline. Previously, Mike was the CEO of Henry Schein One, a joint venture between Henry Schein, Inc and Internet Brands/KKR, and is the largest dental software provider in the world. Before that, Mike was the President of Amwell (NYSE: AMWL), a leading telehealth platform. Mike joined Amwell in 2018 through the acquisition of Avizia, where he was co-founder and CEO. Avizia was an acute care telemedicine company that powered telehealth deployments for hospitals and health systems. Prior to Avizia, Mike held senior positions leading strategy, marketing, and product development teams at Tandberg, Cisco, McKinsey & Co, and Dell. Mike received a B.S. in accounting from Brigham Young University, an M.B.A. with distinction from the Kellogg School of Management at Northwestern University, and was designated in 2005 as a Siebel Scholar. Mike is also a member of the Young Presidents Organization (YPO) in the Washington D.C. Chapter and a board member of the American Telemedicine Association.

Gil Addo
Gil Addo

Gil is an Operating Partner at Waterline. Previously, Gil was the CEO and Co-Founder of RubiconMD, an eConsult service that connects providers to same-day insights from top specialists. Waterline first invested in RubiconMD in 2014, and it was acquired by Oak Street Health in 2021. Oak Street was then acquired by CVS in 2023. Gil continues to serve as CEO of RubiconMD operating within the broader parent companies. Prior to RubiconMD, Gil worked in Investor Relations at Xerox, and then as a Consultant at Putnam Associates. He also serves as a Board Member for CUNY School of Public Health. Gil received a B.S. in Biomedical Engineering and Economics from Yale University and an MBA from Harvard Business School.

Kathy Barry
Kathy Barry

Kathy is an advisor and part-time Chief Financial Officer at Waterline, providing strategic guidance and advice. Kathy was previously Highland Capital Partners’ CFO for 18 years and was responsible for the financial and administrative affairs of the firm. Before that, Kathy was the VP of Finance and Administration and CFO for Microsurge and held various financial and advising positions for Boston-area companies. Kathy is a member of the American Institute of Certified Public Accountants. Kathy earned a M.S. in Accountancy from Bentley College and a B.S. from West Chester University.

Bijan Salehezideh
Bijan Salehezideh

Bijan serves as an advisor and member of the Investment Committee at Waterline. He is also a Managing Director and co-founder at NaviMed Capital, a private investment firm based in Washington, DC, focusing on growth capital and private equity healthcare investments in healthcare IT and services. Prior to NaviMed, he was a General Partner at Highland Capital Partners. Bijan holds an A.B. from Princeton University, an M.D. and M.S. from Columbia University, and an M.B.A. from Harvard Business School. He is also a graduate of the Kauffman Fellows Program.

Bob Higgins
Bob Higgins

Bob is a co-chairman and advisor at Waterline. He has over 30 years of venture and private equity investment experience. From 1988 to 2013, he was General Partner and Co-Founder of Highland Capital Partners, Most recently, Bob founded Causeway Media Partners which invests in sports technology and media companies. Bob is a graduate of Harvard University and earned an MBA from Harvard Business School, where he is a Senior Lecturer.

Jack Shields
Jack Shields

Jack is a co-chairman and advisor at Waterline. He is the founder and CEO of Shields Health Solutions which he launched in 2012. In 2019, Welsh, Carson, Anderson & Stowe (“WCAS”) and Walgreens Co. (“Walgreens”) made an equity investment in Shields Health Solutions. Jack has led several healthcare services companies, focusing on partnering with health systems to improve care models and patient experience. Jack won the 2015 Ernst & Young Entrepreneur of the Year Award for Shields Health Solutions. Jack holds a B.A. from Notre Dame University and a J.D. from Catholic University Law School. Jack was a member of Notre Dame's 1981 Sugar Bowl team.

 Dennis Chalke
 Dennis Chalke

Dennis is an Advisor at Waterline. Dennis has over 30 years of healthcare finance and operations experience. He was previously the SVP, CFO and Treasurer of Baystate Health, a $2.5B integrated healthcare delivery system in western Massachusetts. The Baystate system includes four acute care hospitals with a combined total of more than 900 beds, 750 employed physicians, and a managed care plan with 160,000 covered lives. In this role Dennis oversaw business development, outpatient pharmacy, supply chain, and all traditional financial functions. Before Baystate, Dennis was with Untied Technologies in Hartford, CT where he worked on mergers, acquisitions, and divestitures. Dennis has an MBA in Finance from the University of Massachusetts in Amherst.