Meier devoted 30 years to civic involvement before entering elective politics. A noted philanthropist, he also kept a high profile leading many good causes. During World War I, he headed Liberty Loan drives, served as regional director of the Council of National Defense, and after the war aided in the rehabilitation of France. He also headed the Oregon Commission of the 1915 Panama–Pacific International Exposition in San Francisco, and in 1922 attempted to bring a world's fair to Portland in 1925.