Odaily Planet Daily News Circle co-founder Jeremy Allaire announced that Silicon Valley veteran product and business leader Bradley Horowitz has officially joined Circle's board of directors. Horowitz was responsible for search and media infrastructure construction at Yahoo and led the development of several popular Google products. Allaire said: "I look forward to working with Bradley to jointly promote the construction of a new infrastructure platform for the Internet economy. His joining will inject new vitality into Circle and help the company further develop in the field of digital economy."