Compléter product Version en ligne managing the product par naldy arteaga oliva 1 campaign revamped repositioning increase trigger reposition adversely relaunched appearance close manage brands performance altering engage entrenched advertising modification share knit The product manager , sometimes called a brand manager , manages the marketing efforts for a - family of products or . An important task for a firm is to its products through the successive stages of their life cycles . Product managers also in extensive data analysis related to their products and brands . Procter & Gamble Pantene shampoo and conditioner with a new vitamin formula and the brand with a multimillion - dollar and promotion . A firm can a product by changing one or more of the four marketing mix elements . Four factors that the need for a action are discussed next . One reason to reposition a product is because a competitor's position is affecting sales and market . Product involves one or more of a product's characteristics , such as its quality , , or , to increase the product's value to customers and sales .