Brewing Sustainability: Marika McCauley Sine, Starbucks' CSO

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Marika McCauley Sine, CSO, Starbucks
Marika McCauley Sine, Chief Sustainability Officer of Starbucks is at No.5 in the Sustainability Magazine Top 250 Leaders for 2025

As Chief Sustainability Officer of Starbucks, Marika McCauley Sine is driving the company’s sustainability strategy with a focus on ethical sourcing, carbon neutrality and waste reduction. 

Under her leadership, Starbucks has reinforced its commitment to becoming a resource-positive company, aiming to halve carbon emissions, water usage and waste by 2030.

Marika McCauley Sine, CSO, Starbucks

Marika’s career journey

Marika brings extensive experience in corporate sustainability, social impact and ethical business practices. 

Before joining Starbucks, she spent more than a decade at Mars Incorporated, where she led global sustainability and human rights efforts. 

Her background in law and international development, combined with her passion for responsible business, has shaped her leadership approach in the sustainability space.

Starbucks procures around 800m pounds of coffee each year

Influence in the industry

Marika’s leadership is characterised by a commitment to systemic change and collaboration. 

At Starbucks, she has championed regenerative agriculture initiatives, expanded the company’s reusable packaging programs and strengthened partnerships with coffee farmers to promote sustainable sourcing. 

Under her leadership, Starbucks continues to invest in renewable energy and innovative waste reduction solutions, such as the company’s Greener Stores framework, designed to create eco-friendly retail spaces.

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As a recognised leader in corporate sustainability, Marika actively engages with global organisations such as the World Economic Forum and the United Nations Global Compact. 

She advocates for responsible business practices and industry-wide sustainability solutions, influencing broader efforts to reduce environmental impact within the food and beverage sector.

I am inspired to help advance Starbucks’ legacy of doing business with humanity and fostering connection, opportunity and joy through exceptional coffee.

Marika McCauley Sine, CSO of Starbucks
Discover the Top 250 Leaders 2025

Vision for the future

Marika envisions a future where Starbucks plays a key role in shaping a more sustainable and resilient global coffee industry. 

She is a strong advocate for regenerative agriculture, circular economy principles and climate-positive business strategies. 

Marika’s leadership at Starbucks is redefining sustainability in the coffee industry. 

By driving ambitious climate goals, ethical sourcing initiatives and waste reduction strategies, she is ensuring that Starbucks remains a leader in sustainable business, setting a benchmark for responsible corporate practices worldwide.


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