Meet the Viking team.

Justin Walsh is Chief Investment Officer responsible for managing the public equity team and a portfolio of investments across sectors and geographies. Justin was previously Co-Chief Investment Officer and a Portfolio Manager. Justin joined Viking in 2010 as a summer intern and returned full-time in 2011. Prior to joining Viking, Justin was a Club Finance Analyst at the National Football League, a Private Equity Analyst at Blackstone, and an Investment Banking Analyst at Goldman Sachs. Justin received an MBA from Harvard Business School and a B.A. in mathematics, summa cum laude, from Dartmouth College.

Sara Carter is a Portfolio Manager responsible for identifying and researching investment ideas in the healthcare sector on the public equity team. Sara joined Viking in 2012 as a summer intern and returned full-time in 2013. Prior to joining Viking, Sara was an Analyst at GCP Capital, where she evaluated and executed private equity investments, and an Investment Banking Analyst at Greenhill & Co. Sara received an MBA from the Wharton School of the University of Pennsylvania and a B.S. in biomedical engineering and economics, with highest distinction, from the University of Virginia.

James Lu is a Portfolio Manager responsible for identifying and researching investment ideas in the industrials sector on the public equity team. Prior to joining Viking in 2017, James was a Private Equity Associate at Bain Capital and an Associate Consultant at Bain & Company, where he worked with clients across the U.S. and Europe. James received a B.A. in ethics, politics, and economics with distinction from Yale College.

Previn Mankodi is Deputy Chief Investment Officer responsible for assisting in the management of the public equity team and identifying and researching investment ideas in the technology, media, and telecom sectors. Prior to joining Viking in 2020, Previn was a Partner at Hoplite Capital Management. Previously, Previn engaged in various entrepreneurial activities, including research on positive expectation strategies for games of chance. Previn received an MBA from the Stanford Graduate School of Business, where he was an Arjay Miller Scholar, an M.Phil. in economics from the University of Cambridge, and a B.A. in economics from the University of Chicago.

Hani Sabbagh is a Senior Portfolio Manager on the public equity team. Hani is responsible for managing a team of investment professionals and identifying and researching investment ideas in the financials sector. Hani is based in Viking’s London office. Prior to joining Viking in 2004, Hani was Head of Global Insurance Research at Citigroup, where he researched global insurance stocks, Co-Head of European Insurance Research at Deutsche Bank, and an Analyst at J.P. Morgan. Hani received a B.Sc. in management and modern languages from Aston Business School (U.K.).

Matthew Sharp is a Portfolio Manager responsible for identifying and researching investment ideas in the consumer sector on the public equity team. Prior to joining Viking in 2022, Matthew was a Partner and Senior Analyst at Suvretta Capital Management, an Associate at The Carlyle Group, and an Analyst at Credit Suisse. Matthew received a B.S. in foreign service from Georgetown University.

Sarvesh Srivastava is a Portfolio Manager responsible for identifying and researching investment ideas in the financials sector on the public equity team. Sarvesh joined Viking in 2011 as an Investment Analyst focusing on global banks and then rejoined in 2019. Sarvesh was previously an Analyst and Managing Director at Emerging Sovereign Group, an Assistant Vice President at Richard Chandler Corporation, and an Investment Manager at Wolfensohn & Company. Sarvesh received an MBA from the Wharton School of the University of Pennsylvania and a B.S. in microbiology and immunology from McGill University.

Scott Zinober is a Senior Portfolio Manager on the public equity team. Scott is responsible for managing a team of investment professionals and identifying and researching investment ideas in the healthcare sector. Scott is based in Viking’s San Francisco office. Prior to joining Viking in 2004, Scott was a Senior Investment Associate at Putnam Investments where he covered small and mid-cap biotech companies and pharmacy benefit managers. Scott received an MBA from the MIT Sloan School of Management and a B.A. in economics and psychology, cum laude, from Williams College.

Brian Kaufmann is Head of Private Investments responsible for managing the private equity and structured capital team and a portfolio of private investments across sectors and geographies. Brian was previously a Portfolio Manager and Investment Analyst on the public equity team, responsible for identifying and researching investment ideas in the healthcare sector. Brian joined Viking in 2009 as a summer intern and returned full-time in 2010. Prior to joining Viking, Brian was an Associate at TA Associates and an Investment Banking Analyst in Merrill Lynch’s Mergers and Acquisitions Group. Brian received an MBA from Harvard Business School, where he was a Baker Scholar, and a B.S. in applied economics and business management, magna cum laude, from Cornell University. In 2021, Brian was named a Young Global Leader by the World Economic Forum.

Jon Coravos is a Principal focused on the healthcare sector on the private equity team. Prior to joining Viking in 2021, he worked at McKinsey & Company. Jon received a Ph.D. in biology from the Massachusetts Institute of Technology and a B.A. in biology from Bowdoin College.

Christian Essner is an Associate on the structured capital team. Christian was previously a Valuation Associate on the finance and accounting team. Prior to joining Viking in 2021, Christian was a Business Valuation Consultant at Deloitte. Christian received a B.S. in finance from Bentley University.

Aaron Goldstein is a Senior Associate on the structured capital team. Prior to joining Viking in 2025, Aaron was a Senior Associate at Onex Falcon, an Investment Banking Analyst at Progress Partners, and a member of the rotational leadership program at State Street. Aaron received a B.S. in finance from the University of Vermont.

Karim Helmy is a Managing Director focused on the healthcare sector on the private equity team. Prior to joining Viking in 2020, Karim was a Vice President at Venrock and an Engagement Manager at McKinsey & Company in the Pharmaceuticals Research & Development Practice. Karim received a joint M.D./Ph.D. from New Jersey Medical School and completed an internship in Internal Medicine at Columbia University Medical Center. Before medical school, he worked in discovery research at Genentech. Karim received a B.S. in biology from Stanford University.

Mihir Jain is a Principal on the private equity team. Mihir joined Viking in 2021 as a summer intern and returned full-time in 2022. Prior to joining Viking, Mihir was a Private Equity Associate at Bain Capital, an Investment Associate at SoftBank Investment Advisers, and an Associate at the Boston Consulting Group. Mihir received an MBA from Harvard Business School, where he was a Baker Scholar, and a B.S. in economics, magna cum laude, from the Wharton School of the University of Pennsylvania.

Cristo Liautaud is a Principal on the structured capital team. Prior to joining Viking in 2022, Cristo was an Investment Analyst at Berkshire Hathaway Inc. and a Vice President in the Reinsurance Division at Berkshire Hathaway Group. Cristo received an MBA from Harvard Business School, a J.D. from Harvard Law School, and a dual B.A. in history and East Asian studies from Yale College.

Levi Malik is a Principal on the private equity team. Levi joined Viking in 2021 as a summer intern and returned full-time in 2022. Prior to joining Viking, Levi was an Executive Director at Pharmaceutical Product Development, a Private Equity Associate at Hellman & Friedman, and an Investment Banking Analyst at Morgan Stanley. Levi received an MBA from the Stanford Graduate School of Business and a B.A. in economics, summa cum laude, from Princeton University.

Maneka Mirchandaney is a Principal focused on the healthcare sector on the private equity team. Prior to joining Viking in 2022, Maneka was a Director and Biotech Analyst at Evercore ISI. Maneka received a B.A. in cognitive neuroscience and a B.S. in finance, magna cum laude, from the University of Pennsylvania’s Vagelos Program in Life Sciences and Management.

Rohan Nirody is a Managing Director focused on the healthcare sector on the private equity team. Rohan is based in Viking’s San Francisco office. Rohan was previously an Investment Analyst on the public equity team and was responsible for identifying and researching investment ideas in the healthcare sector. Rohan joined Viking in 2008 as a summer intern and returned full-time in 2009. Prior to joining Viking, Rohan was an Associate at Elevation Partners and a Private Equity Analyst at Blackstone. Rohan received an MBA from Harvard Business School, a B.S. in economics, and a B.A. in international studies, summa cum laude, from the University of Pennsylvania, where he also graduated from the Huntsman Program in International Studies and Business at the Wharton School.

Emily Nolop is a Principal on the private equity team. Emily joined Viking in 2019 as a summer intern and returned full time in 2020. Prior to joining Viking, Emily was an Associate at Hellman & Friedman and an Associate at the Boston Consulting Group. Emily received an MBA from the Stanford Graduate School of Business, where she was an Arjay Miller Scholar, and a Bachelor of Business Administration from the University of Michigan.

Hans Reuter is a Managing Director focused primarily on the services sector on the private equity team. Prior to joining Viking in 2017, Hans was a Principal at Windhorse Capital Management, a Vice President at General Atlantic, and an Analyst in the Global Technology Group at Morgan Stanley. Hans received an MBA from Harvard Business School and a B.A. in economics from Dartmouth College.

Brandan Rivard is a Principal on the structured capital team. Brandan was previously a Principal on the private equity team. Brandan joined Viking in 2020 as a summer intern and returned full-time in 2021. Prior to joining Viking, Brandan was a Private Equity Associate at Berkshire Partners and an Investment Banking Analyst in the Consumer and Retail Group at Morgan Stanley. Brandan received an MBA from Harvard Business School and a B.A. in economics from Colby College.

Brian Rose is Deputy Head of Private Equity responsible for assisting in the management of the private equity team and focused primarily on the software and enterprise technology sectors. Brian was previously an Investment Analyst on the public equity team. Brian joined Viking in 2013 as a summer intern and returned full-time in 2014. Prior to joining Viking, Brian was an Associate at Bain Capital and an Associate Consultant at Bain & Company. Brian received an MBA from the Stanford Graduate School of Business, where he was an Arjay Miller Scholar, a Siebel Scholar, and the Henry Ford II Scholar. Brian received a B.A. in economics, magna cum laude, from Harvard College.

Jason Rostovsky is a Principal focused on the healthcare sector on the private equity team. Jason joined Viking in 2021 as a summer intern and returned full-time in 2022. Prior to joining Viking, Jason was a Private Equity Associate at New Mountain Capital and a Private Equity Analyst at Ares Management. Jason received an MBA from Harvard Business School, where he was a Baker Scholar, and a B.S. in economics, summa cum laude, from the Wharton School of the University of Pennsylvania.

Josh Rowley is a Principal on the private equity team. Josh joined Viking in 2022 as a summer intern and returned full-time in 2023. Prior to joining Viking, Josh was an Associate at Trive Capital and an Investment Analyst at Prudential Capital Group. Josh received an MBA from the Stanford Graduate School of Business, where he was an Arjay Miller Scholar, a Siebel Scholar, and received the Alexander A. Robichek Award, and a B.A. in economics, summa cum laude, from Wheaton College.

Michael Schwartz is a Principal on the private equity team. Michael joined Viking in 2018 as a summer intern and returned full time in 2019. Prior to joining Viking, Michael was a Senior Associate at General Atlantic and an Investment Banking Analyst at Morgan Stanley. Michael received an MBA from the Stanford Graduate School of Business, where he was an Arjay Miller Scholar, and an A.B. in economics and Middle Eastern studies from Dartmouth College, where he was elected to Phi Beta Kappa.

Erina Shan is a Principal on the structured capital team. Prior to joining Viking in 2023, Erina was a Senior Associate at Athyrium Capital Management and an Analyst at PJT Partners. Erina received a B.S. in economics and a B.A. in chemistry from the University of Pennsylvania.

Sterling Sipp is a Principal on the private equity team. Prior to joining Viking in 2023, Sterling was a Private Equity Associate at Hellman & Friedman and an Investment Banking Analyst at J.P. Morgan. Sterling received an MBA from the Stanford Graduate School of Business, where she was an Arjay Miller Scholar, and a B.A. in history, summa cum laude, from Princeton University.

David Truetzel is a Managing Director focused primarily on the services sector on the private equity team. Prior to joining Viking in 2018, David was a Public Equity Analyst at 3G Capital, a Private Equity Associate at Lindsay Goldberg, and an M&A and Restructuring Analyst at Greenhill & Co. David received an MBA from Harvard Business School and a B.S. in commerce, finance, and history, with distinction, from the University of Virginia.

Adam Virgadamo is Deputy Chief Operating Officer responsible for overseeing the firm’s research and investment-related operations teams, including Trading and Treasury. Prior to joining Viking in 2021, Adam was a U.S. Equity Strategist and Head of Thematic Investing in Research at Morgan Stanley and an Associate at Bingham McCutchen. Adam received a J.D. from Harvard Law School and a B.A. in economics from Harvard College.

Rami Armon is Head of Policy Research and MENA Initiatives on the investment team. Rami is responsible for analyzing policy changes and their potential impact on companies in the firm’s investment universe and advancing initiatives in the MENA region. Prior to joining Viking in 2020, Rami was the Managing Director for Economic & Policy Research at Glenview Capital Management, a Senior Vice President at Avalere Health, and the Senior Political Strategist at Lehman Brothers. Rami received a J.D. from Harvard Law School, an M.A. in history from the Harvard Graduate School of Arts & Sciences, an M.A. in international affairs from Columbia University, and a B.A. in government from Harvard College. At Harvard, Rami was the recipient of the Derek C. Bok Award for Excellence in Graduate Student Teaching of Undergraduates for courses in Middle East history and politics and a FLAS fellow. Rami was also a Zuckerman Fellow at Columbia University and a FLAS Fellow at Middlebury College’s Arabic Program. Rami is a CFA charterholder.

Kelly Carr is a Research Analyst responsible for helping the private equity team conduct differentiated research on private investment opportunities. Prior to joining Viking in 2021, Kelly was a Partner and Director of Investigations at Quinlan Partners, where she led corporate fraud, competitive intelligence, and enhanced due diligence investigations on public and private companies and their executives. Kelly also held various roles at the Donald W. Reynolds National Center for Business Journalism at Arizona State University. Her journalism career included investigative reporting roles at Reuters and the Boston Globe’s Spotlight team, where her work earned numerous awards and multiple Pulitzer Prize nominations. Kelly received an MFA in creative nonfiction from Goucher College and a B.S. in journalism from West Virginia University.

Brian Grow is a Research Analyst responsible for helping the investment team conduct differentiated research. Prior to joining Viking in 2018, Brian was a Special Enterprise Correspondent at Thomson Reuters, receiving five Pulitzer Prize nominations for his investigative reporting. Brian was also a Project Director at the Center for Public Integrity and a correspondent and senior writer at BusinessWeek. Brian received an M.A. in international economics and politics from Johns Hopkins University and a B.A. in politics and Russian language from the University of Notre Dame.

Alexandra Harney is a Research Analyst responsible for helping the investment team conduct differentiated research. Prior to joining Viking in 2020, Alexandra was a Special Correspondent at Thomson Reuters, an International Affairs Fellow at the Council on Foreign Relations in Japan, and an investigative analyst and reporter at various investment funds and media companies. Alexandra received a B.A. in international affairs and public policy from the School of Public and International Affairs at Princeton University.

Antonio Miscio is Head of Data Science Research responsible for overseeing a team of data scientists who help the investment team conduct differentiated research using proprietary datasets, predictive analytics, and advanced data visualization. Prior to joining Viking in 2021, he was a Project Leader at Boston Consulting Group in the Financial Services & Risk Practice. Antonio received a Ph.D. in economics from Columbia University, an M.S. in economics from the London School of Economics and Political Science, an M.S. in development economics from the Paris Institute of Political Studies, and a B.S. in economics from Bocconi University (Italy).

Mark Savino is Head of ESG Integration on the investment team. Mark is responsible for conducting relevant research, integrating material governance and sustainability considerations into the research process, advising portfolio companies on best practices, and overseeing the firm’s investigative analyst team. Prior to joining Viking in 2021, Mark was the Lead U.S. Sustainability Analyst at Morgan Stanley, a Research Analyst at Diamondback Capital, and an Investment Banking Analyst at Bank of America Merrill Lynch. Mark received a B.S. in finance from Lehigh University.