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Denise Lee

Vice President

Engineering Sustainability Office

Denise Lee is Vice President for Cisco’s Engineering Sustainability Office where she leads a team that is defining Cisco’s long-term sustainability vision and roadmap, building new business blueprints and embedding prototype offers across multiple portfolios. She and her team collaborate across every function of the business to develop and create integrated capabilities that serve as the foundation to incubate and scale sustainable products that accelerate the journey to net zero for Cisco, its customers and partners. In her prior role as VP, Customer Solutions Marketing, Denise was responsible for product marketing, unifying the voices of engineering, sales, and marketing into a singular story to position Cisco’s portfolio roadmap and market development through thought leadership. She set strategy and led a cross-functional ecosystem chartered with breathing life into the benefits customers can expect from their Cisco investments and solutions adoption. As a Silicon Valley native steeped in the start-up culture and enterprise mind-set, Denise is an accomplished leader, with experience spanning business strategy and operations, product marketing, global sales strategy and planning, global operations and customer support. Skilled at interconnecting diverse points of view in a highly matrixed environment, Denise builds and transforms organizations to accelerate growth. Denise is a transformational leader inspired by purpose, driven by large scale impact, and dedicated to building world-class teams. Her interests in sustainability and renewable energy, global health, and aiding those in our local communities sustain her mission to complement corporate growth with social giving. Denise holds a bachelor’s degree from the University of California Berkeley Haas School of Business and an MBA from the Kellogg School of Management.

Articles

October 22, 2025

DATA CENTER

The New Standard for Accurate Power Measurement in AI Data Centers

3 min read

As AI raises the stakes for energy efficiency, precision is paramount. Discover how Cisco researchers have achieved a breakthrough in power measurement accuracy—paving the way for substantially smarter infrastructure decision-making.

September 9, 2025

2

INNOVATION
Denise Lee
Stephen Kelly

Driving IT Sustainability in the AI Era

2 min read

Discover how Cisco and NTT DATA are driving IT sustainability for clients in the AI Era, turning challenges into opportunities for innovation.

January 31, 2025

INNOVATION

Supercharge Your Network with Power and Cooling: An Innovation Blueprint

2 min read

Recently formed Engineering Alliances program to introduce validated solutions across four breakthrough customer-ready use cases at Cisco Live EMEA.

January 9, 2025

CISCO CUSTOMER EXPERIENCE

Right-sizing artificial intelligence: The overlooked key to more sustainable technology

4 min read

As artificial intelligence (AI) moves from the hypothetical to the real world of practical applications, it’s becoming clear that bigger is not always better. Check in with Aleksandra Przegalińska and Denise Lee to learn more.

January 30, 2024

INNOVATION

Charting the path to a sustainable future with AI for energy efficiency

4 min read

You can’t greenwash AI. In 2024, organizations will have greater clarity and insights into achieving sustainability outcomes.

January 30, 2024

1

DATA CENTER

Reimagine Your Data Center for Responsible AI Deployments

3 min read

Cisco is evaluating the intersection of sustainability and technology to create a more sustainable AI infrastructure that addresses the implications of what generative AI will do to the amount of compute needed in the future.

October 24, 2023

PARTNER
Andrew Sage
Denise Lee

Prioritizing sustainability can open doors to profitability

3 min read

Cisco has made sustainability a priority for many years, and we recently launched Cisco’s next generation environmental sustainability strategy. As a part of that, we have also set a goal to reach net-zero greenhouse gas (GHG) emissions across our value chain by 2040.

September 13, 2023

3

INNOVATION

Building a Sustainable Future Together

4 min read

Cisco is innovating to help our customers lower emissions, increase energy efficiency, reduce their carbon footprint, as well as provide visibility and insights to support our customer’s sustainability initiatives. Here are practical steps to getting started on the Net Zero journey.

February 3, 2023

PARTNER

De-Carbing the Data Center

3 min read

Cisco and Hitachi Vantara are known for deploying proven solutions that make an immediate impact for our customers. Together, we bring a joint portfolio of network, compute, and storage technologies to tackle the greatest challenge of our time.