Sustainability & Governance
Key Sustainability Topics at a Glance
Sustainability considerations are integral to our business operations and daily decisions. We take a measured approach to sustainability as we strive to drive our purpose — We Enable Possibility — across our business.
We work with our clients to provide services and insurance coverage that help them safeguard their future in a world where uncertainty touches every aspect of their lives. Our business is built on long-term thinking and an established history of delivering reliable risk management expertise to our markets.
Our strategy is structured around five core impact areas that drive our sustainability initiatives. By organizing our strategy under these pillars, we encompass Arch’s collective achievements and sustainability progress across our operations.
Our Sustainability Framework
BUSINESS
We offer services and
insurance coverages
that support our clients
through major loss
and improve their
resiliency; we integrate
sustainability factors
into our underwriting
to reduce risk and
capture opportunities for stakeholder benefit.
OPERATIONS
We actively manage
sustainability risks and
embed compliance,
transparency,
cybersecurity and
resilience across our
operations, protecting our people and customers who entrust us with their personal information and
business interests.
INVESTMENTS
We believe incorporating
certain nonfinancial
sustainability factors into investment selection and
risk management can
potentially enhance long-term investment returns.
PEOPLE
We are committed to
investing in our employees’ personal
and professional success
and creating long-term
sustainable growth for our organization.
COMMUNITIES
We strive to make a
meaningful impact
by investing in our
communities, a trait ingrained in Arch’s
core Values and
woven into the fabric of
our corporate culture.
Our Sustainability Priorities
In 2025, we continued to empower our teams to drive progress collaboratively, integrating sustainability-driven thinking and decision-making into the fabric of our company and reinforcing sustainability’s role in our operations.
The sustainability topics defined in our reporting are aligned with our stakeholders’ expectations. We continue to strengthen across each dimension and to evaluate our sustainability strategy based on evolving trends and valuable stakeholder feedback.
Reports
We believe in the value of transparency regarding our sustainability initiatives, and we are committed to sharing our progress across our three sustainability reports: Sustainability, Sustainability Accounting Standards Board (SASB) and Task Force for Climate-related Financial Disclosures (TCFD). On this website you’ll find the highlights of our sustainability successes and progress during 2025.
Latest Reports
Sustainability Report
2025
Sustainability Accounting Standards Board Report
Task Force on Climate-related Financial Disclosures
Marcy Rathman, Chief Sustainability Officer
Marcy Rathman, Arch’s Chief Sustainability Officer, is charged with coordinating the oversight and management of Arch’s sustainability efforts. She was promoted to the role in May 2019, when Arch launched its formal sustainability program. Prior to that, she served as an attorney for Arch for close to 20 years, supporting the General Counsel and many of Arch’s governance and compliance policies. With this background, she was well-positioned to lead and oversee the company’s sustainability efforts and the annual comprehensive sustainability reports.
She joined Arch’s legal team in December of 2000 and has been a key member of the corporate legal team, providing risk management oversight, supporting Arch’s worldwide retirement savings and equity plans and enforcing our corporate governance policies. Under her guidance, Arch launched a sustainability strategy and coordinated the teams and processes to support it.
She manages a number of cross-functional teams responsible for sustainability decision-making and reporting, including oversight of sustainable business practices. She works closely with the Arch’s executive leaders to enact recommendations that align with our sustainability strategy and shareholder goals. Additionally, she provides quarterly reports to the Nominating and Governance Committee of our Board of Directors.