Karen Karniol-Tambour

Co-Chief Investment Officer
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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. Karen is a World Economic Forum Young Global Leader, was included in Fortune’s "40 Under 40" most influential leaders in business in 2019, and 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
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
Karen Karniol-Tambour
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.
April 3, 2024
In an appearance at the 2024 Sohn Investment Conference, co-CIO Karen Karniol-Tambour shares her perspective on key cause-effect relationships, including what will drive stock/bond correlations going forward, why gold and the dollar have rallied together, and more.
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
Karen Karniol-Tambour, Alexa Rozario
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.
February 12, 2024
Karen Karniol-Tambour, Larry Cofsky, Yusuf Jailani
Co-CIO Karen Karniol-Tambour explains that in a tight economy with high levels of fiscal spending and strong balance sheets, there is limited room for a pickup in private sector borrowing without reigniting inflationary pressures.
January 3, 2024
Karen Karniol-Tambour, Melissa Saphier, John Michael Cassetta
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
Karen Karniol-Tambour, Josh Moriarty
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.
April 5, 2023
Karen Karniol-Tambour
As part of the Milken Institute’s “Power of Ideas” series, co-CIO Karen Karniol-Tambour explains the important role investors play in emission-intensive sectors.
March 31, 2023
Bridgewater’s Co-Chief Investment Officer has been honored with the distinction for the fourth year in a row.
February 21, 2023
Karen Karniol-Tambour, Jim Haskel
Our newest co-CIO shares her thoughts on the secular changes shaping economies and markets, how she’s assessing cyclical conditions around the world, and what these dynamics mean for investors.
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
Carsten Stendevad, Karen Karniol-Tambour, Daniel Hochman, Jeremy Ng
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
Karen Karniol-Tambour, Daniel Hochman, Jeremy Ng, Lorenzo Pinasco
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.
August 18, 2022
In an article published by TIME, Co-CIO Karen Karniol-Tambour describes how The Inflation Reduction Act incentivizes private sector investments in existing and future green technologies like wind and solar.
July 19, 2022
On an episode of Reuters’ “The Exchange” podcast, Co-CIOs for Sustainability Karen Karniol-Tambour and Carsten Stendevad share their perspectives on the current ESG debate. While agreeing with a number of the common criticisms, they lay out their case for the merits of pursing sustainable investing in a fundamental and systematic way.
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.
September 2020
Karen Karniol-Tambour, Carsten Stendevad, Daniel Hochman, Jacob Davidson, Brian Kreiter
Our approach to building a scalable, strategic asset allocation using assets aligned to the UN Sustainable Development Goals.
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.
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