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We’re a collection of marketing experts with cross-discipline fluency.

Representative Director, CEO McCann Worldgroup

Ji Watson

Executive Creative Director McCann Worldgroup

Kazz Ishihara

Representative Director, President McCann

Takashi Aoki

Managing Director MRM

Raul Cantor Lopez

President & CEO Momentum

Hiroshi Samizo

Representative Director, President McCann Health

Junji Yokokawa

CEO IPG Mediabrands

Matt Ware

Group Finance Director McCann Worldgroup

Mieko Sakamoto

CCO IPG Mediabrands

Hiroaki Seto

Head of Operations McCann Worldgroup

Kyoko Yoshida

Corporate Communications Director McCann Worldgroup

Kieko Mori

Managing Director Weber Shandwick

Campbell Hanley

Representative Director, Chairman McCann Health

John Cahill

Representative Director, Chairman McCann Health

John Cahill

Representative Director, Chairman
McCann Healthcare Worldwide Japan Inc.
Executive Chairman
IPG Health

As Global CEO for McCann Health, John is responsible for leading the world’s most connected community of health and wellness experts across six continents and focusing the commitment of more than 1900 employees on generating life-changing ideas that improve the health of humanity.
John started his career in biomedical science in the field of immunology, engaged in both clinical and laboratory research in immune-regulation within chronic infections and solid tumors at the prestigious Kolling Institute.
He applied his health and medical learnings to both sales and marketing with leading healthcare companies such as Technicon in cell differentiation, instrumentation, and pharmaceutical marketing with Merck Sharp & Dohme Pharmaceuticals.
John has worked for McCann Health for 21 years, operating as Global CEO for the past six. A true global citizen, John, on any given day, can be found connecting with the McCann Health network spending equal amounts of time with the US, LATAM, EMEA, and APAC, meeting with clients and employees alike, supporting strong and influential businesses by fostering innovation in building health brands and playing a leading role in programs designed to improve health for all.

Representative Director, Chairman McCann Health

John Cahill

Representative Director, Chairman
McCann Healthcare Worldwide Japan Inc.
Executive Chairman
IPG Health

As Global CEO for McCann Health, John is responsible for leading the world’s most connected community of health and wellness experts across six continents and focusing the commitment of more than 1900 employees on generating life-changing ideas that improve the health of humanity.
John started his career in biomedical science in the field of immunology, engaged in both clinical and laboratory research in immune-regulation within chronic infections and solid tumors at the prestigious Kolling Institute.
He applied his health and medical learnings to both sales and marketing with leading healthcare companies such as Technicon in cell differentiation, instrumentation, and pharmaceutical marketing with Merck Sharp & Dohme Pharmaceuticals.
John has worked for McCann Health for 21 years, operating as Global CEO for the past six. A true global citizen, John, on any given day, can be found connecting with the McCann Health network spending equal amounts of time with the US, LATAM, EMEA, and APAC, meeting with clients and employees alike, supporting strong and influential businesses by fostering innovation in building health brands and playing a leading role in programs designed to improve health for all.