Executive Leadership Team

The Express Scripts Canada leadership team is dynamic, dedicated and lead with their heads – and their hearts. Experts in health benefits management, they are committed to doing what’s right for clients, employees and the millions of Canadians we serve

Dr. Dorian Lo, President of Express Scripts Canada

Dr. Dorian Lo, President

With more than 25 years of experience as a physician and visionary business leader, Dr. Dorian Lo is responsible for setting the strategic direction of the organization as it looks to build on its position as Canada’s premier health benefits manager.

Bringing his extensive knowledge about proven strategies from around the world and with a strong belief in the partnership business model, Dorian remains steadfast in his commitment to solving some of the daunting challenges facing the health benefits industry, with the goal of improving the lives of Canadians through better health outcomes.

Michael Roszak, Chief Operating Officer at Express Scripts Canada

Michael Roszak, Chief Operating Officer

Michael Roszak is a tried and tested leader in the area of health benefits management. He brings more than 25 years of industry experience to this role, where he oversees Operations, Customer Services, Marketing, and Sales.

Michael has extensive experience in senior roles within the Health Benefits Management and Digital Health industry, where he led major business development initiatives. He has a dynamic leadership style and proven record of accomplishment operating with transparency while maximizing long-term value for clients.

Christine Griffin, General Manager, Private Payor Solutions

Christine Griffin, General Manager, Private Payor Solutions

Having held a number of progressive positions within ESC, Christine brings close to 20 years of customer service and management experience to her role. She leads the customer services team, overseeing existing accounts and explores new opportunities within those accounts to provide our clients with a full range of active pharmacy benefit solutions.

Christine’s expertise in health benefits management, customer service and account management ensure the service ESC’s clients receive is seamless.

Jeff Boutilier, directeur général des pharmacies et chef des Services cliniques à Express Scripts Canada

Jeff Boutilier, General Manager, Pharmacy & Chief Clinical Officer

As the General Manager Pharmacy and Chief Clinical Officer, Jeff is responsible for the management and direction of pharmacy across Canada. He provides leadership and direction for the strategic, ethical, operational, clinical, financial and administrative functions associated with all pharmacy services, and is responsible for the clinical team that leads formulary management, drug evaluation committees, and services such as prior authorization to support our partners. 

With more than 10 years of experience in pharmacy innovation and leadership, Jeff has led national operations, sales and consultant teams and has experience in strategy, transformation and specialty pharmacy.

Karen Kesteris, Chief Product and Marketing Officer at Express Scripts Canada

Karen Kesteris, Chief Product and Marketing Officer

In her role, Karen leads both the product development team and the data analytics group. Karen masterfully pulls these two areas together to build great products that create sustainable value for ESC, its clients and patients. She brings more than 20 years of experience in product development, marketing and leadership experience to the role, along with a strong specialization in healthcare, pharmacy benefit management and insurance.

Prior to ESC, Karen served as the Director, Drug Product and Provider Management, at Medavie Blue Cross, the Director of Private Payer Solutions at Telus Health and the Director of Marketing Communications and Product Development at Green Shield Canada.

Magda Vogel, Chief Information Officer at Express Scripts Canada

Magda Vogel, Chief Information Officer

Known for developing strategic vision to achieve business goals, Magda offers a unique blend of professional acumen and IT solutions development that deliver strong returns and operational improvement. She has built a strong and responsive information technology team that consistently delivers results by aligning technology initiatives with business objectives. 

A certified and experienced project management practitioner, Magda leverages her vast skillset to deliver project benefits that depend on the development, design and delivery of the change. She is committed to the sociology of human change management that is contingent on people embracing, adopting and utilizing change.

Pierre-Étienne Tremblay, General Manager, Public Payor Solutions at Express Scripts Canada

Pierre-Étienne Tremblay, General Manager, Public Payor Solutions

Pierre-Etienne oversees the Quebec market and operations for ESC. Concurrently, Pierre-Etienne serves as Chief Privacy Officer and oversees our Privacy Program.

With his vast experience in contract management and negotiation, Pierre-Étienne provides strategic guidance and leadership within ESC’s pharmaceutical manufacturer relations teams. He also oversees operational strategic objectives and improves operational excellence while providing leadership in key functional areas such as business integrity, provider and member contact centres, provider relations, health technology databases, and claim processing services for both private and public sector clients.

Stéphanie Myner-Nham, Chief Human Resources and Privacy Officer, Express Scripts Canada

Stéphanie Myner-Nham, Chief Human Resources and Privacy Officer

With more than 20 years of progressive corporate experience covering cross-functional expertise, Stéphanie is responsible for the overall direction of ESC’s Human Resources and Corporate Services department. She drives ESC’s diverse and talented workforce towards an innovative future. Her areas of oversight include organizational development, employee relations, change management, policy review, translation, talent planning, quality programs, and diversity and inclusion.

Stéphanie has spearheaded key developments at ESC, including successful implementation of a new employee recognition program, and developing a framework to ensure compliance with new provincial employment legislation.

Vigna Vivekanand, Chief Financial and Compliance Officer at Express Scripts Canada

Vigna Vivekanand, Chief Financial and Compliance Officer

As Chief Financial Officer, Vigna Vivekanand leads the finance team, and provides financial strategy and oversight across all facets of the organization. Prior to joining ESC, Vigna spent more than 10 years at generic pharmaceutical manufacturer Apotex Inc., where he took on a progression of senior finance roles, culminating with that of Director, Global Generics Finance. 

Prior to that, he served as Co-Controller and Principal Accounting Officer at IMAX Corporation.
Vigna is a strategic thinker with proven leadership skills and a deep understanding of both Canadian and U.S accounting standards, as well as extensive international experience in managing finance groups across the globe.