What Does Sierra Club Do?

Total employees1308
HeadquartersOakland
Founded1892

Founded in 1892 by naturalist John Muir, the Sierra Club is the most enduring and influential grassroots environmental organization in the United States. It champions solutions to the climate crisis; works for just and equitable transitions to a clean energy economy; and strives to protect and restore wildlands, wildlife, and natural heritage for all to explore, enjoy, and protect. With millions of members and supporters, Sierra Club advances its mission through public education, grassroots activism, lobbying, and litigation.

Where Is Sierra Club's Headquarters?

Sierra Club officeSierra Club officeSierra Club officeSierra Club office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as the central hub for national campaign coordination, policy development, legal advocacy, communications, fundraising, and administrative operations supporting the organization's nationwide network of chapters and groups.

Notable Features:

The headquarters is located in a LEED Platinum certified building, reflecting the organization's commitment to sustainability. It offers modern, collaborative workspaces designed to foster innovation and teamwork.

Work Culture:

Passionate, mission-driven, and collaborative, with a strong emphasis on environmental justice and grassroots activism. Employees are dedicated to protecting the planet and empowering communities.

HQ Significance:

Represents the nerve center of one of the oldest and largest environmental organizations in the U.S., guiding national efforts to influence environmental policy and mobilize public action.

Values Reflected in HQ: The choice of a LEED Platinum certified building underscores Sierra Club's core values of environmental stewardship, sustainability, and responsible resource management.

Location:

While primarily focused on the United States, Sierra Club engages in international advocacy and partnerships to address global environmental challenges. This includes work on responsible international trade, human rights related to environmental issues, protection of global forests, and combating climate change through its International Program and collaborations like Sierra Club Canada Foundation. They support global grassroots movements and advocate for policies that protect the planet and its inhabitants worldwide.

Street Address:

2101 Webster Street, Suite 1300

City:

Oakland

State/Province:

CA

Country:

USA

Where Else Does Sierra Club Operate Around the World?

Washington, D.C., USA

Address: 50 F St NW, 8th Floor, Washington, DC 20001

To directly influence federal environmental policy, track legislative developments, and coordinate national campaigns impacting environmental protection across the country.

Chicago, Illinois, USA

Address: 70 E Lake St, Suite 1500, Chicago, IL 60601

To address Illinois-specific environmental issues, promote conservation, advocate for clean energy, and engage local communities and policymakers in the Midwest region.

Buying Intent Signals for Sierra Club

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Sierra Club? Meet the Executive Team

As of April 2025, Sierra Club' leadership includes:

Ben Jealous - Executive Director
Eva Hernandez-Simmons - Managing Director
Chris Hill - Chief Campaigns Officer
Erica Rountree - Chief Financial Officer
Katherine Quaid - Chief of Staff & Senior Director of Executive Operations
Hop Hopkins - Senior Director, Organizational Transformation

Who's Investing in Sierra Club?

Sierra Club has been backed by several prominent investors over the years, including:

Individual Donors and Members
Foundation Grants
Bequests and Endowments

What Leadership Changes Has Sierra Club Seen Recently?

Hire2
Exits0

Sierra Club has actively strengthened its executive leadership over the past year with strategic appointments aimed at enhancing its organizational capacity and campaign effectiveness. These additions reflect a commitment to dynamic leadership in pursuing its environmental mission.

New Appointments:

Eva Hernandez-Simmons, Eva Hernandez-Simmons appointed as Managing Director to oversee key operational and programmatic functions.
Chris Hill, Chris Hill joined as Chief Campaigns Officer to lead and strategize national environmental campaigns.

What Technology (Tech Stack) Is Used bySierra Club?

Discover the tools Sierra Club uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Sierra Club Email Formats and Examples

Sierra Club primarily uses a standardized email format for its staff, typically combining the employee's first name and last name with a period in between. This allows for consistent and professional communication.

firstname.lastname@sierraclub.org

Format

jane.doe@sierraclub.org

Example

90%

Success rate

What's the Latest News About Sierra Club?

sierraclub.org • June 3, 2024

Sierra Club News: Environmental Groups Secure Major Win as Court Blocks Destructive Alaska LNG Export Terminal

A federal court sided with Sierra Club and partners, revoking key permits for the proposed Alaska LNG export terminal due to failures in analyzing climate and environmental justice impacts. This decision underscores the critical need for thorough environmental reviews for fossil fuel projects....more

sierraclub.org • May 21, 2024

Sierra Club News: Sierra Club & Partners File Notice of Intent to Sue EPA Over Failure to Regulate PFAS from Industrial Polluters

Sierra Club and partner organizations have formally notified the U.S. Environmental Protection Agency (EPA) of their intent to sue over the agency's failure to regulate PFAS (per- and polyfluoroalkyl substances) discharges from nine key industrial categories, aiming to protect communities from these harmful 'forever chemicals'....more

sierraclub.org • May 16, 2024

Sierra Club News: Ready for 100 Action Demands DOE Update Codes to Make Buildings Healthier, More Affordable

The Sierra Club's Ready for 100 campaign is urging the Department of Energy (DOE) to update national model energy codes to ensure new and renovated buildings are healthier, more affordable, and climate-friendly, accelerating the transition to clean energy in the building sector....more

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