Harry M. Markowitz

Harry M. Markowitz is an American economist best known for his work in portfolio theory, which revolutionized investment strategies. He introduced the concept of diversification, highlighting that investors can reduce risk by spreading investments across different assets. Markowitz's "Efficient Frontier" illustrates the optimal portfolio that offers the best possible return for a given level of risk. His ideas laid the groundwork for modern finance and earned him the Nobel Prize in Economic Sciences in 1990. Markowitz's contributions help investors make informed decisions about balancing risk and return in their investment portfolios.