以盡量提高總回報為目標。基金將不少於70%的資產投資於全球各地公司和政府╱機關所發行的股 票、債券（包括非投資級*）及短期證券。 本基金最多可將其資產的100%投資於股票；及最多100%投資於定息工具及貨幣市場工具。本基金亦 可投資於財困證券及新興市場（例如巴西、南非及南韓）。 本基金採取全面管理的投資政策，隨著市場變化及經濟走勢，不時就證券及市場種類而更改美國及外 國股本證券、債務及貨幣市場證券的組合。基金在決定投資於股票或債券之時，將參照若干因素，例如 資本增值的相對機會、收回資本的風險、不同到期日的債務證券的孳息率及利率水平。
Rick Rieder, Managing Director, is BlackRock's Chief Investment Officer of Global Fixed Income, Head of the Global Allocation Investment Team in the Multi-Asset Strategies Group, a member of BlackRock's Global Operating Committee and Chairman of the firm-wide BlackRock Investment Council. Before joining BlackRock in 2009, Mr. Rieder was President and Chief Executive Officer of R3 Capital Partners. He served as Vice Chairman and member of the Borrowing Committee for the U.S. Treasury and is currently a member of the Federal Reserve Bank of New York's Investment Advisory Committee on Financial Markets. Mr. Rieder currently serves on the Alphabet/Google Investment Advisory Committee and the UBS Research Advisory Board. He was awarded the Global Unconstrained Fixed Income Manager of the Year for 2015 by Institutional Investor, was nominated for Fixed Income Manager of the Year by Institutional Investor for 2014 and was inducted into the Fixed Income Analysts Society Fixed Income Hall of Fame in 2013. From 1987 to 2008, Mr. Rieder was with Lehman Brothers, most recently as head of the firm's Global Principal Strategies team, a global proprietary investment platform. He was also global head of the firm's credit businesses, Chairman of the Corporate Bond and Loan Capital Commitment Committee, and a member of the Board of Trustees for the corporate pension fund. Before joining Lehman Brothers, Mr. Rieder was a credit analyst at SunTrust Banks in Atlanta. Mr. Rieder earned a BBA degree in Finance from Emory University in 1983 and an MBA degree from The Wharton School of the University of Pennsylvania in 1987. He is a member of the board of Emory University, Emory's Business School, and the University's Finance Committee, and is the Vice Chairman of the Investment Committee. Mr. Rieder is founder and chairman of the business school's BBA investment fund and community financial literacy program. Mr. Rieder serves as Chairman of the Board of North Star Academy's thirteen Charter Schools in Newark, New Jersey and is the Founder and Chairman of the Board of Graduation Generation Public School Collaboration in Atlanta. He is a Trustee for the US Olympic Foundation, and is on the International Advisory Council and Board of Advisors for the Hospital for Special Surgery. He serves on the National Leadership Council of the Communities in Schools Educational Foundation and on the board of Big Brothers/Big Sisters of Newark and Essex County Mr. Rieder was honored at the Choose Success Awards ceremony in Atlanta in 2015 for his dedication to public education in Atlanta through CIS and Graduation Generation.
Russ Koesterich, CFA, JD, Managing Director and portfolio manager, is a member of the Global Allocation team as well as the lead portfolio manager on the GA Selects model portfolio strategies. Mr. Koesterich's service with the firm dates back to 2005, including his years with Barclays Global Investors (BGI), which merged with BlackRock in 2009. He joined the BlackRock Global Allocation team in 2016 as Head of Asset Allocation and was named a portfolio manager of the Fund in 2017. Previously, he was BlackRock's Global Chief Investment Strategist and Chairman of the Investment Committee for the Model Portfolio Solutions business, and formerly served as the Global Head of Investment Strategy for scientific active equities and as senior portfolio manager in the US Market Neutral Group. Prior to joining BGI, Mr. Koesterich was the Chief North American Strategist at State Street Bank and Trust. He began his investment career at Instinet Research Partners where he occupied several positions in research, including Director of Investment Strategy for both U.S. and European research, and Equity Analyst. He is a frequent contributor to financials news media and the author of three books, including his most recent ""Portfolio Construction for Today's Markets. Mr. Koesterich earned a BA in history from Brandeis University, a JD from Boston College and an MBA from Columbia University. He is a CFA Charterholder.
David Clayton, CFA, JD, Managing Director and portfolio manager, is a member of the Global Allocation team. Mr. Clayton joined the BlackRock Global Allocation team in 2010 and was named a portfolio manager of the Fund in 2017. Prior to his current role, he was head of portfolio oversight, as well as a senior investor and investment group leader, on the Fund, primarily responsible for coverage of the energy, real estate, autos, industrials, materials and utilities sectors. Prior to joining BlackRock, he was Of Counsel in the Financial Restructuring Group at Milbank, Tweed, Hadley & McCloy LLP. Previously he was a Managing Director and analyst with The Blackstone Group, responsible for distressed and special situations investments across multiple industries. Prior to joining Blackstone, Mr. Clayton spent six years at Merrill Lynch Investment Managers (MLIM), initially as an attorney specializing in corporate finance transactions and restructurings, and most recently as a Vice President and analyst in the Global High Yield Bond & Bank Debt Group. Mr. Clayton began his career as an attorney specializing in corporate finance transactions, first at Blake, Cassels & Graydon in Toronto and then at Milbank in New York. Mr. Clayton earned a BA degree, with honors, in economics from the University of Western Ontario in 1990 and MBA and LLB degrees from Dalhousie University in 1994. He is a CFA Charterholder.