Karen Karniol-Tambour
Co-Chief Investment Officer
Karen Karniol-Tambour is Co-Chief Investment Officer at Bridgewater Associates, responsible for managing the company’s investment process. She oversees the systemization of Bridgewater’s research into trading strategies, manages the development of proprietary investment management models, directs the design and implementation of client investment strategies, and publishes timely market understanding to clients and global policy makers via Bridgewater’s Daily Observations. Karen also co-leads the firm’s Sustainable Investing efforts, overseeing the design of new investment solutions with both financial and sustainability objectives. She joined Bridgewater in 2006 after graduating from Princeton University.
Outside of Bridgewater, Karen is a World Economic Forum Young Global Leader, a Term Member of the Council on Foreign Relations, and serves on the Board of Directors of the Atlantic Council. She is also a member of the Robin Hood Foundation Investment Committee and serves on the Financial Services Advisory Council for the Federal Reserve Bank of Dallas. As a committed advocate of enhancing women’s leadership, she is an active angel investor focused on technology startups led by women.
Karen has been recognized across the industry for her achievements, including Fortune’s "40 Under 40" most influential leaders in business in 2019, and she has been named to Barron's list of "Most Influential Women in US Finance" for five years in a row.
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More from Karen Karniol-Tambour
April 21, 2025
In this edited version of our Q1 CIO call, Co-CIO Karen Karniol-Tambour describes how we are processing today’s radically different economic and market environment.
March 19, 2025
Policy has shifted to prioritize energy security and industrial competitiveness over climate leadership. This will steer investment to the most economical energy sources, driving continued growth in renewables and fossil fuels—but slower decarbonization.
March 14, 2025
For the sixth consecutive year, Barron’s has recognized Karen for her expertise, influence, and leadership in the financial services industry.
March 10, 2025
For decades, America has consumed much more than it produces, financing persistent trade deficits with debt that foreign investors are happy to buy. President Trump is unwilling to accept this state of affairs. In a guest essay for the New York Times, co-CIO Karen Karniol-Tambour describes what this shift means for Europe’s economic and security paradigm, the changes that are needed, and the barriers to reform.
January 28, 2025
In this episode, Karen breaks down Bridgewater’s approach to macro investing, market cycles, and how investors can navigate an increasingly complex global economy. She shares Bridgewater’s investment philosophy and decision-making framework while offering personal insights on leadership and work-life balance.
January 22, 2025
Co-CIO Karen Karniol-Tambour gave an interview on Bloomberg while attending the World Economic Forum in Davos, Switzerland. During her conversation, Karen discussed the firm's global approach to investing, and how the changing global environment impacts investors. See important disclosures and other information here.
January 6, 2025
With central banks on the verge of achieving their goals—supporting stability, profits, and asset prices—global political shifts risk upsetting the balance. Our CIOs describe these dynamics and what they mean for investors.
November 12, 2024
At the recent Yahoo Finance Invest conference, Co-CIO Karen Karniol-Tambour shared her thoughts on what’s next for growth and inflation, Fed policy, the impact of Trump’s policy agenda, and how we’re processing the flow-through to markets. See Important Disclosures and Other Information.
September 2024
Bridgewater hosted the Atlantic Council’s inaugural Millennium Leadership Summit at its headquarters, bringing together leaders across government, business, and civil society to discuss key trends impacting economies and markets around the world.
August 23, 2024
The CIO of Australia’s sovereign wealth fund, managing $300 billion AUD, joins us for a conversation on their total portfolio approach and some of the most challenging questions facing investors.
July 7, 2024
Co-CIO Karen Karniol-Tambour recently joins Alex Shahidi on the latest episode of his podcast, The Insightful Investor, to share insights into her professional journey, Bridgewater's current market outlook, and how to think about building great portfolios in this environment.
June 24, 2024
Co-CIO Karen Karniol-Tambour describes how we’re in the midst of a transition from an exceptionally low cost of capital to more moderate levels. But bond yields still need to rise to set a price of capital that is sustainable for the world we’re in, compensating for structurally higher fiscal stimulation and inherently inflationary spending on things like AI investments, remilitarization, rebuilding supply chains to reduce reliance on China, the energy transition, and energy security.
May 31, 2024
At the Fiduciary Investors Symposium, co-CIO Karen Karniol-Tambour describes what portfolio resilience is, why it matters, and the incremental decisions investors can make to build portfolios that are resilient to a broader range of conditions going forward. See important disclosures and other information here.
May 2024
At the Milken Institute Global Conference, co-CIO Karen Karniol-Tambour spent the entirety of the event connecting with our clients, presenting Bridgewater’s latest thinking in a keynote panel, and delivering a talk about her heritage. In this video, we share a behind-the-scenes look into Karen and the Bridgewater team at the conference.
May 7, 2024
At the Milken Institute’s 2024 Global Conference, co-CIO Karen Karniol-Tambour shares her thoughts on the macro outlook, touching on where to find geographic diversification, how we’re approaching geopolitical risk, the impact of AI on inflation, and more.
May 7, 2024
In an interview with CNBC, co-CIO Karen Karniol-Tambour discusses current market conditions, whether the Fed will start easing this year, and opportunities this presents for investors.
April 18, 2024
Bridgewater co-CIO Karen Karniol-Tambour joined a panel conversation at Semafor’s first World Economy Summit to discuss the evolving macroeconomic environment, fiscal policy, the bond market, demand for U.S. assets, and the strength of the U.S. dollar.
April 16, 2024
Bridgewater co-CIO Karen Karniol-Tambour joined a panel discussion at a Global Energy Summit hosted in New York City. Karen shared her and Bridgewater’s insights on how the changing economic landscape affects funding for the green energy transition, how policy makers can support that transition, and how U.S. competition with China is driving the Western transition.
March 28, 2024
Co-Chief Investment Officer Karen Karniol-Tambour has been recognized among 100 women at the highest levels of leadership in US Finance.
February 23, 2024
Maximizing the benefits of geographic diversification can be highly beneficial for portfolios. But doing so can be difficult because many economies are closely linked to US conditions, making their markets highly correlated to US assets investors already own. Co-CIO Karen Karniol-Tambour explores some of the markets she sees as the most diversifying.
January 3, 2024
The secular investment landscape looks more like decades past than the last 20 years, while dynamics like AI and climate change will likely shape the world in unprecedented ways. Co-CIO Karen Karniol-Tambour describes this new era of investing.
November 3, 2023
Co-CIO Karen Karniol-Tambour has been named to “The MarketWatch 50” 2023 list, where she is recognized for her actions, contributions, and insights as one of the most influential figures in markets today.
November 3, 2023
In an interview with MarketWatch’s Nathan Vardi, co-CIO Karen Karniol-Tambour shares her thoughts on the economy and markets heading into 2024, and her experience as part of Bridgewater’s next generation of leadership. Please see here for important disclosures and other information.
October 2, 2023
The impacts of AI on the economy will depend both on how the technology evolves and how quickly and effectively it is implemented. Co-CIO Karen Karniol-Tambour shares how we are interpreting the growing literature on the topic and tracking the process in real time.
September 20, 2023
Bridgewater co-CIO Karen Karniol-Tambour joins “Bloomberg Wealth with David Rubenstein” for a wide-ranging discussion on Bridgewater’s current leadership and culture, her career journey, and our outlook on markets and economies.
March 31, 2023
Bridgewater’s Co-Chief Investment Officer has been honored with the distinction for the fourth year in a row.
February 2, 2023
Karen joins co-CIOs Bob Prince and Greg Jensen as a full partner in leading Bridgewater’s Investment Committee and holding ultimate responsibility for our investment strategy and outcomes.
November 30, 2022
The publicly traded firms in a handful of emissions-intensive sectors are responsible for about 60% of all global emissions. By allocating capital to climate solutions and carbon improvers in these sectors, investors can make progress toward their net zero goals, even if that leads to higher spot portfolio emissions than if they were to cut these emissions-intensive sectors altogether.
October 27, 2022
Greenhouse gas emissions are highly concentrated in a few key sectors in investor portfolios; the publicly traded firms in these sectors alone are responsible for about 60% of all global emissions. Investors thinking through climate risks, climate opportunities, and net zero alignment should focus on these sectors.
April 8, 2022
As a 16-year veteran of the firm, Co-Chief Investment Officer Karen Karniol-Tambour is recognized alongside an inspiring group of trailblazers in the finance world for the third year in a row.
May 13, 2021
In an interview with Top1000Funds, Co-CIOs for Sustainability Karen Karniol-Tambour and Carsten Stendevad discuss how Bridgewater is deploying its systematic research process to meet the challenges of investors who are seeking to build portfolios that pursue return and impact-oriented goals.
May 7, 2021
As part of a Barron’s centennial roundtable discussion, Co-Chief Investment Officer for Sustainability Karen Karniol-Tambour sheds light on how investors should think about the next 100 years. In this wide-ranging discussion with Tom Slater and Yahoo! Co-Founder Jerry Yang, Karen describes the role of government and policy, evolving geopolitical climate, digital revolution and future of money, and a shift toward impact investing.
June 2020
As a member of the highly selective CFR’s 5-year Term membership, Karen joins policy leaders around the country who are engaged in a dynamic conversation on international affairs and US foreign policy.
April 19, 2019
Karen Karniol-Tambour, Co-Chief Investment Officer for Sustainability, was recognized for her work developing systematic insights on global markets and overseeing Bridgewater’s investment logic and portfolio construction.
Bridgewater’s Director of Investment Research Karen Karniol-Tambour ranks among a group of the most influential young people transforming business.
October 30, 2018
One of the most high-profile women (and millennials) on Wall Street, Karen Karniol-Tambour is reshaping what leadership looks like in the investment industry. Forbes profiled her rise to one of the most important positions at Bridgewater and her unique approach to idea generation and investing.
August 23, 2024
The CIO of Australia’s sovereign wealth fund, managing $300 billion AUD, joins us for a conversation on their total portfolio approach and some of the most challenging questions facing investors.
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