North American Sustainability & Responsibility Summit

The North American Sustainability & Responsibility Summit is a premier gathering of industry leaders, sustainability executives, and experts dedicated to exploring innovative strategies, emerging trends, and best practices in the dynamic world of sustainable management.

March 12 - March 14, 2025

Gaylord Rockies Resort & Convention Center | Denver, CO

Attendees
+
of attendees are Director level and above
%
Global Organizations
+
Renowned Speakers
+

Join This Year's Conversation

NASRS gathers Chief Sustainability Officers, Chief Marketing Officers, SVPs and VPs of Sustainability, EHS, CSR, Social Impact, Brand Responsibility, Operations, Manufacturing, and Supply Chain, Technology Executives and Communications Leaders to share insights, foster innovation, and build invaluable connections. Dive into a thoughtfully curated environment that brings together thought leaders, allowing you to explore new ideas and engage in meaningful discussions. Join the conversation at NASRS and be part of a community dedicated to pushing the limits of sustainability success.

This Year's Featured Speakers

Year after year, we bring to the stage today's thought leaders and innovators

Jerome Del Porto

Jerome Del Porto

Head of Corporate Sustainability

Walmart

Josh Parker

Josh Parker joined NVIDIA in 2023 to lead the company’s corporate sustainability program.  Josh studied electrical engineering and spent several years practicing IP law at a large law firm and later for the computer storage company Western Digital.  While at Western Digital, he was asked to lead the company’s ethics and compliance program in Asia and later to build a new corporate sustainability program for the company.

At NVIDIA, Josh is pursuing a data-driven approach to sustainability, believing that accurate and credible data is a prerequisite for effectively managing impacts.  Josh is also deeply persuaded that technology—especially AI—can play a critical and dramatic role in solving world-scale sustainability challenges.

Josh Parker

Senior Director of Corporate Sustainability

NVIDIA

Kristen Siemen

Appointed to Chief Sustainability Officer in February 2021, Kristen Siemen helps to lead General Motors to a future with zero emissions as the company continues to take bold actions against climate change, including GM’s commitment to become carbon neutral in its global products and operations by 2040. Under Siemen’s leadership, GM has received numerous recognitions including JUST Capital’s MOST JUST Companies, Fast Company’s Brands That Matter, ISS ESG’s top score in the Environmental and Social categories for QualityScore, and Ethisphere’s World’s Most Ethical Companies for the fifth year in a row — demonstrating exceptional leadership and commitment to business integrity.

Siemen began her career with GM in 1994 and served in a number of engineering and staff positions of increasing responsibilities. Since 2010, she has held senior leadership positions in several global engineering functions including Electrical Engineering, Thermal Engineering, Test and Validation, and Energy, Certification and Compliance.

In addition to her accomplished technical career, Siemen is also passionate about promoting inclusion and gender equality. She was instrumental in creating GM’s career reentry program, “Take 2,” as well as the GM Women Ally Program and serves as GM’s key executive for the Society of Women Engineers. Since transitioning into her role as CSO, Siemen has garnered several individual recognitions for exemplary leadership, including Crain’s Notable Leaders in Sustainability, Future 50 Tech, and Sustainability Magazine’s Global Top 100 Chief Sustainability Officers. Siemen serves on multiple advisory boards including the United Nations Global Compact USA Board, Fortune Impact Initiative, The Heritage Group Sustainability Advisory Board, the Engineering Society of Detroit Board and the Oakland University School of Engineering & Computer Science Advisory Board, where she received both her bachelor’s and master’s degrees in Electrical Engineering.

Kristen Siemen

Chief Sustainability Officer

General Motors

Stephanie Barrientez

Stephanie Barrientez

Chief Sustainability Officer

HP Inc

Dirk Voeste

Dirk Voeste

Chief Sustainability Officer

Volkswagen Group

Ellen Jackowski

Ellen Jackowski

EVP, Chief Sustainability Officer

Mastercard

Brian Moran

Brian Moran is the chief sustainability officer of The Boeing Company and serves as a member of the Boeing Executive Council. Moran is responsible for advancing the company’s approach on aerospace sustainability priorities, stakeholder engagement and integrated reporting. His Executive Council responsibilities include driving shared awareness of sustainability trends, opportunities and risks to guide company decision-making and global impact. Moran reports to both the CEO and the Governance and Public Policy committee of the Board, and is based in Amsterdam. Prior to this role, Moran served as vice president, Global Sustainability Policy & Partnerships for Boeing where he led a global team responsible for informing the global policy landscape and deepening partnerships to advance Boeing’s sustainability objectives. In his more than two decades with Boeing, Moran has held leadership roles in Boeing’s commercial and defense businesses, in communications and in government affairs. Moran holds a dual degree in international business and French from Lindenwood University and a master’s degree in business administration from Washington University’s Olin School of Business. He completed executive programs at The University of Pennsylvania Wharton School and a Brookings Institution legislative fellowship on Capitol Hill in Washington, DC. Moran speaks English, German and French and he is an alumnus of both the Atlantik-Brücke German-American Young Leaders program as well as the French-American Foundation Young Leaders program.

Brian Moran

Chief Sustainability Officer

Boeing

David Allen

David Allen is Vice President and Chief Sustainability Officer for PepsiCo Foods North America (PFNA), which includes Frito-Lay North America (FLNA) and Quaker Foods North America (QFNA). In this role, he is responsible for helping PFNA execute its sustainability vision of building a more sustainable food system and reducing environmental impact. The company’s pep+ (PepsiCo Positive) sustainability commitments span three key pillars:  Positive Agriculture, Positive Value Chain, and Positive Choices.

David began his career with PepsiCo as an engineer in 1996.  He then spent the next 20 years in various field manufacturing and distribution roles in multiple locations, giving him significant breadth and depth of supply chain experience. Prior to his current role, David served as the Senior Director of Quality and Food Safety for PFNA. He holds a bachelor’s degree in mechanical engineering from Texas A&M University.

David Allen

VP, Chief Sustainability Officer

PepsiCo Foods North America

Matt Kolesar

Matt Kolesar

Chief Environmental Scientist

ExxonMobil

Julie Kitcher

Julie Kitcher is Chief Sustainability Officer and Communications at Airbus. In her position, she oversees the Company’s sustainability roadmap, driving Airbus’ contribution to current environmental, societal, regulatory and technological challenges. She also leads Communications company-wide, promoting the Airbus brand internally and externally in support of Airbus’ strategic objectives.

Julie is a member of the Airbus Executive Committee, reporting to the CEO, Guillaume Faury. Since taking on her responsibilities in 2019, Julie led the articulation of Airbus’ purpose: to pioneer sustainable aerospace for a safe and united world. In addition, Julie drove the performance management, internal controls and corporate audit functions as well as the Company’s transformation agenda. Under her leadership, Airbus received approval from the Science Based Targets initiative (SBTi) for its near-term greenhouse gas emission reduction targets.

Julie was appointed Chair of the Airbus Foundation board in 2021. As such, she is actively involved in shaping the Foundation’s work in humanitarian support, environmental action and youth development. She has been appointed member of the board to the Toulouse School of Economics’ Fondation Jean-Jacques Laffont. Julie also sits on the boards of Airbus Helicopters UK and the International Chamber of Commerce France as well as the UK Government’s Jet Zero Council, fostering the development of aerospace technologies, facilities and regulatory framework in the UK.

In her previous position, Julie was the Executive Vice President Communications and Corporate Affairs, also serving as the CEO’s Chief of Staff, prior to which she was Head of Investor Relations and Financial Communication at Airbus. She is a Chartered Management Accountant (CIMA) and holds an MSc from ESC Skema (Lille).

Julie Kitcher

Chief Sustainability Officer and Communications

Airbus

Roger Martella

Roger Martella is the Group Vice President, Chief Sustainability Officer, and Global Head of Engagement, Government Affairs, and Policy at GE Verona. With a distinguished career spanning both the public and private sectors, Martella brings a wealth of experience in environmental law, sustainability strategies, and regulatory affairs. At GE Verona, he leads the company’s sustainability initiatives, driving efforts to integrate sustainable practices across all operations and ensuring compliance with global environmental standards. Prior to joining GE, Martella held key roles at the U.S. Environmental Protection Agency (EPA) and in the private sector, where he was instrumental in shaping environmental policies and advocating for sustainable development. His leadership and expertise continue to propel GE Verona towards a more sustainable and environmentally responsible future.

Roger Martella

Group Vice President; Chief Sustainability Officer; Global Head of Engagement, Government Affairs, and Policy

GE Vernova

Alexa Dembek

Alexa Dembek

Chief Technology and Sustainability Officer

DuPont

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Highlights From Last Year

Highlights from last year

The North American Sustainability & Responsibility Summit 2024 gathered top sustainability leaders to share new ideas and collaborate on solutions that inspired a collective vision for change, shaping the future of the industry.

Small Steps, Big Impact:

Carbon offset results from last year’s summit

of travel emissions originated from long-haul flights ( >3700km one way)
0 %
of travel emissions originated from Medium-haul flights (473-3700km)
0 %
of travel emissions originated from short-haul flights (<473km)
> 0 %
of ground transportation emissions from passenger vehicles to/from the conference
0 %
of ground transportation emissions to/from the airport
0 %

*Data provided by SouthPole

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