We’re passionate about indexing your world.
MarketVector experts dig deep into market trends and economies across the globe. Read of-the-moment Commentary, dive into deeper Research reports and follow News as it happens.
Who we are
We are a group of index specialists with real-world asset management experience, elevating our client’s ideas with investor insights and practical knowledge.



Steven Schoenfeld
CEO
Steven Schoenfeld became the Chief Executive Officer (CEO) of MarketVector Indexes™ (“MarketVector”) following its acquisition of BlueStar Indexes in August 2020. MarketVector is a leading global index provider with more than USD 50 billion in licensed assets tracking its Equity, Fixed Income, Hard Asset, and Digital Asset indexes. As the CEO, he develops and implements the business strategy for the company and oversees all aspects of MarketVector’s operations, research and product development, client service, sales, and marketing. Steven was the founder and the Chief Investment Officer of BlueStar which maintained a family of indexes for global technology stocks, emerging markets, and Israeli equities and bonds. He is a 39-year veteran of the investment management and financial services industry, having served in senior fiduciary positions at Northern Trust, where he oversaw more than USD 300 billion in quantitatively managed global equity and fixed income portfolios, and at Barclays Global Investors (now Blackrock), where he managed more than USD 70 billion in developed and emerging market stock index fund and ETFs. Previously, Steven led the team at the IFC/World Bank which developed the first investable emerging market indexes and traded Japanese stock index futures on the floor of the Singapore Exchange. Steven is the co-author of Mastering Crypto Assets (Wiley Finance, 2024), Editor of Active Index Investing (Wiley Finance, 2004), co-author of The Pacific-Rim Futures and Options Markets (McGraw-Hill, 1992), and co-founder of IndexUniverse.com (now ETF.com ). He has a Bachelor of Arts in History and Government from Clark University, was a Fulbright Scholar in Economics at the National University of Singapore, and has a Master of Arts from the Johns Hopkins School of Advanced International Studies (SAIS).



Joy Yang
Head of Product Management and Marketing, MarketVector Indexes™
Joy Yang is the Head of Product Management and Marketing at MarketVector Indexes™ (“MarketVector”). She is responsible for managing MarketVector products and services to accelerate innovation in financial index design and adoption. Joy brings more than 25 years of investment experience to MarketVector, having led teams delivering index and quantitative-active investment solutions at Arabesque Asset Management, Dimensional Fund Advisors, Vanguard, Aberdeen Standard Investments, AXA Rosenberg, and Blackrock. She has an MBA from the University of Chicago Booth School of Business and a Bachelor of Science in Electrical Engineering from Cooper Union’s Albert Nerken School of Engineering.



Joshua Kaplan
Head of Research and Investment Strategy, MarketVector Indexes
Josh Kaplan is the Head of Research and Investment Strategy at MarketVector Indexes™ (“MarketVector”). Josh is involved in MarketVector index design, maintenance, and commercialization activities. He is also responsible for producing research and analysis on MarketVector indexes and investment trends. Josh joined MarketVector following the acquisition of BlueStar Indexes in August 2020 where he served as BlueStar's Director of Research and Finance. Prior to joining BlueStar Indexes in late 2011, he worked as an equity analyst covering small- and mid-cap technology stocks for a long-short fund affiliated with one of Israel’s leading private equity funds. Josh is a CFA Charter holder and graduated from Syracuse University with degrees in Finance, Entrepreneurship, and Economics.



Tzlill Keren-Blum
Head of Client Coverage and Service, MarketVector Indexes™
Tzlill Keren-Blum is the Head of Client Coverage and Service for MarketVector Indexes™ (“MarketVector”). She is an indexing expert with more than 17 years of experience in both the issuer and index provider roles. Tzlill is also responsible for MarketVector’s business development in the EMEA region. She joined MarketVector as the EMEA Representative following its acquisition of BlueStar Indexes in August 2020 and worked with BlueStar starting in 2017. Tzlill was the Chief Legal Counsel of one of the largest issuers of Israeli ETFs and index funds, an associate at a large Israeli corporate law firm, and also serves as External Director in a TASE-listed company.
Index Advisory Committee (IAC)
The MarketVector Index Advisory Committee was established to support the implementation of best practices in index construction and maintenance for MarketVector’s index families, under the MVIS, BlueStar and MarketVector Indexes.



Steven Schoenfeld
CEO
Steven Schoenfeld became the Chief Executive Officer (CEO) of MarketVector Indexes™ (“MarketVector”) following its acquisition of BlueStar Indexes in August 2020. MarketVector is a leading global index provider with more than USD 50 billion in licensed assets tracking its Equity, Fixed Income, Hard Asset, and Digital Asset indexes. As the CEO, he develops and implements the business strategy for the company and oversees all aspects of MarketVector’s operations, research and product development, client service, sales, and marketing. Steven was the founder and the Chief Investment Officer of BlueStar which maintained a family of indexes for global technology stocks, emerging markets, and Israeli equities and bonds. He is a 39-year veteran of the investment management and financial services industry, having served in senior fiduciary positions at Northern Trust, where he oversaw more than USD 300 billion in quantitatively managed global equity and fixed income portfolios, and at Barclays Global Investors (now Blackrock), where he managed more than USD 70 billion in developed and emerging market stock index fund and ETFs. Previously, Steven led the team at the IFC/World Bank which developed the first investable emerging market indexes and traded Japanese stock index futures on the floor of the Singapore Exchange. Steven is the co-author of Mastering Crypto Assets (Wiley Finance, 2024), Editor of Active Index Investing (Wiley Finance, 2004), co-author of The Pacific-Rim Futures and Options Markets (McGraw-Hill, 1992), and co-founder of IndexUniverse.com (now ETF.com ). He has a Bachelor of Arts in History and Government from Clark University, was a Fulbright Scholar in Economics at the National University of Singapore, and has a Master of Arts from the Johns Hopkins School of Advanced International Studies (SAIS).



Thomas Kettner
MD, Chief Operating Officer, MarketVector Indexes™
Thomas Kettner is the Chief Operating Officer (COO) at MarketVector Indexes™ with global responsibility for the company's index business. Thomas is an indexing expert with almost 20 years of experience in the development and maintenance of indexes designed for financial products. He is supported by a team of ca. 30 specialists in index maintenance, technology and administration. Prior to joining MarketVector in 2012, he held various positions at leading index providers such as Dow Jones Indexes and STOXX Ltd. Thomas holds a degree in Economics from the University of Konstanz, Germany, and is a CIIA graduate.