<prompt> Translate the following text to EnglishKabla ya miaka sita, chini ya uongozi wa Mkurugenzi Mtendaji wa Pfizer na CFO, shirika la fedha la Pfizer lilianza mpango wa kuunda upya ili kubadilisha mkataba wake, michakato, bidhaa na huduma.  <response>: About 6 years ago, under the leadership of Pfizers CEO and CFO, Pfizers corporate finance organization embarked on a reengineering initiative to transform its charter, processes, products, and services. 