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A multinational corporation is launching a global marketing campaign and has developed a machine learning model to optimize its strategy. The campaign targets diverse demographics across multiple regions, requiring the model to handle varying data privacy laws and cultural nuances. The company aims to maximize ROI while ensuring compliance and scalability. Given these constraints, which professional is primarily responsible for ensuring the model's predictions are not only accurate but also actionable and interpretable by the marketing team across different regions? Choose the best option.