EOS Stewardship

Harnessing investor capital to change companies for good, from within.

EOS at Federated Hermes Limited (EOS) is a world-leading stewardship service provider. Founded in 2004 on a legacy dating back to 1983, EOS advises on more than $2.2tn in assets to deliver corporate engagement and proxy voting services.

We believe that stewardship is vital in order to achieve our purpose: Enduring, Responsible Wealth Creation.

EOS’s constructive engagements with corporate boards and executives on environmental, social, governance and strategic issues enable investors to be more active owners of their equity and fixed-income assets, supporting stronger financial performance and better outcomes for society. With almost half of its engagements now more than nine years in duration, EOS is committed to realising positive, enduring change. 

EOS spearheads collaborative engagements with investors worldwide and its expertise has been called upon to help develop stewardship codes in developed and emerging markets.

Known as an industry leader in working with investors to change companies for good, from within, EOS continues to evolve best-practice stewardship.

The sun above valley

EOS: at a glance

$ 0 tn
£1.6tn/€1.9trn
in assets under advice
0
companies engaged in 2024
0
voting recommendations for meetings made in 2024
0
number of discussions held with regulators and stakeholders in 2024

Source: Federated Hermes, as at 30 June 2025.

Key pieces

Annual Review
Engagement Plan
Public Engagement Report

Our stewardship services

Our engagement activities enable long-term institutional investors to be more active owners of their assets, through dialogue with companies on environmental, social and governance issues. We believe this is essential to build a global financial system that delivers improved long-term returns for investors, as well as better outcomes for society.

Our services include:

Engagement

  • Engaging with companies in our clients’ portfolios using a constructive, objectives-driven and continuous dialogue on ESG issues

  • Our strategies are informed by our deep knowledge across themes, sectors and regions to ensure that our engagement is tailored and focused on the most financially material factors affecting the long-term sustainability of companies

Posts not found

Voting
  • Making voting recommendations that are, where practicable, engagement-led
  • Voting recommendations are guided by a dynamic three-tier framework
  • Communicating with company management and boards around the vote
  • Taking account of regional differences, cultural norms and the relevant stage of the stewardship journey
Public Policy
  • Engaging with legislators, regulators, industry bodies and other standard-setters
  • Helping to shape capital markets and the environment in which companies and investors can operate more sustainably
  • Joining forces with like-minded investors to make an impact, for example through industry collaborations such as the PRI and Climate Action 100+
Screening
  • Monitoring our clients’ portfolios to identify companies that violate or are at risk of violating commonly accepted international norms and standards
  • Helping clients to see where there may be risks in their portfolio, and reviewing company responses to these based on our engagement insights where possible
Advisory
  • Helping our clients to meet stewardship regulations
  • Working with clients to develop their responsible ownership policies
  • Drawing on our extensive expertise and proprietary tools to advance clients’ stewardship strategies

The EOS advantage

The benefits

EOS is a leading stewardship service provider.

Client focus

EOS works on behalf of pension funds and other large, institutional investors.

Relationships & access

EOS pools the priorities of like-minded investors.

Tailored engagement

EOS develops engagement strategies specific to each company informed by its deep understanding across sectors, themes and markets.

Meet our stewardship experts

Our investment, stewardship and advocacy experts are industry leaders in practice and philosophy.

Judi Tseng

Assistant Manager - Engagement
Michael Yamoah

Michael Benedict Yamoah 

Director - Engagement
Michael Benedict Yamoah engages in North America with a focus on mining & materials, oil & gas, technology software and transportation. Prior to joining the EOS team, Michael worked as a senior sustainability consultant and US climate strategy lead for Quantis International advising top organisations on how to adopt science-based climate strategy with robust metrics, tools, and outcomes. He has held various corporate roles, including acting climate and sustainability research lead at Aramco (US), and sustainability and analytics manager at Bechtel Corporation. Michael’s other previous roles include consulting for the World Bank Group and the Asian Development Bank, and international climate programme support at the Natural Resource Defense Council. His academic background includes University College London BSEER (PhD Candidate), NYU Stern (MBA + certificate in corporate sustainability), George Washington University ESIA (MA, International Development), Carroll College (BA, International Relations and Business Administration) and KNUST (BA Coursework, Geography and Sociology).

Bruce Duguid

Head of Stewardship
Bruce Duguid is head of stewardship at EOS. As well as overseeing the team of engagement professionals, Bruce leads engagements with environmentally-exposed companies across the oil and gas, mining, and utilities sectors. Prior to joining EOS, he was head of sustainability at the UK Green Investment Bank, where he spent four years working on the project to establish the bank. This followed a variety of corporate strategy roles, including a management consultant position at the Boston Consulting Group.

Lisa Lange

Associate Director - Engagement
Lisa Lange focusses on engagement with companies in Europe and leads EOS work on pollution, waste and the circular economy. Prior to joining EOS, she worked as a sustainability consultant in London and was a research fellow at the Institute for Managing Sustainability at the Vienna University of Economics and Business. Lisa holds a Master of Science in Nature, Society & Environmental Policy from the University of Oxford and an MA with honours in International Relations from the University of Edinburgh with a focus on climate ethics. Lisa speaks English and German.

Jaime Gornsztejn

Engagement
Jaime Gornsztejn is responsible for corporate engagements in Latin America and Russia and focusses on the industrials & capital goods sectors. Prior to joining EOS, he worked for the Brazilian Development Bank (BNDES), where he held executive positions in Brazil and the UK as banker in its Telecommunications Department, as portfolio manager in its Venture Capital Division and as a project finance manager at the Renewable Energy Department. More recently, as managing director of BNDES UK, he was responsible for setting up the bank’s subsidiary in London. Jaime has also held executive positions as portfolio manager at Nortel Networks UK and as an adviser to private finance initiative projects at KPMG Corporate Finance UK. Jaime holds a BSc in Electronics Engineering from IME, the Military Institute of Engineering in Rio de Janeiro, an MSc in Telecommunications Engineering from PUC-Rio, the Catholic University of Rio de Janeiro and an MSc in Finance from Cass Business School in London. He is also chair of the board of the Brazilian Chamber of Commerce in Great Britain and serves on the Senior Advisory Council of the Brazil Institute at King’s College London.

Leon Kamhi

Head of Responsibility