Ryan Callahan

Ryan is based in the US, serving clients who are bringing innovative products and services to North American and global markets. His work in commercialisation draws on his expertise in reimbursement, product development, and organisational leadership. As a strategy consultant at McKinsey & Company, he served leading companies in the pharmaceutical and medical device industries and brings experience working across teams and geographies to deliver results. Ryan’s work leverages quantitative methods with a significant focus on ROI, market sizing, and epidemiological analysis.