The growth in Twitter's value is partly due to the rise in its advertising sales.
Kleiner Perkins Caufield & Byers Wednesday said Powell joined the firm earlier this month as a strategic limited partner, a new position created especially for him.
The world's No 2 venture capitalist says he supports outsourcing and urges India to use WTO rules to protect it from protectionist attacks in the US
At 357 with a wealth of $700 million, Khosla is the only person of Indian origin in the list.
India now has 402 million internet users - second only to China.
India is Facebook's largest market with 250 million active monthly users. Along with Google, it has a 70 per cent share in the Rs 1,000 crore domestic digital ad market.
Subra Suresh is one of the only 16 living Americans to be elected to all three national academies, the IOM, the National Academy of Sciences and the National Academy of Engineering.
India has around 355 million Internet users, second only to China, says a report
Apple Watch is expected to be available for preview from April 10.
The seven Indian-Americans are cybersecurity firm ZScaler CEO Jay Chaudhry, founder and chairman of Symphony Technology Group Romesh Wadhwani, cofounder and CEO of online home goods retailer Wayfair Niraj Shah, Silicon Valley venture capital firm Khosla Ventures founder Vinod Khosla, managing partner of Sherpalo Ventures Kavitark Ram Shriram, Airline veteran Rakesh Gangwal and Workday CEO and co-founder Aneel Bhusri.
Yuri Milner is focussing on on consumer-driven Internet start-ups.
Will the warning shots from giants like Unilever and P&G break digital growth?
India's online listing space is witnessing phenomenal growth.
Five Indian-Americans have been named among the 400 richest people in the US by Forbes, a list topped by Microsoft co-founder Bill Gates for the 21st year in a row with a net worth of $81 billion.
He replaces Mark Pincus, the founder of the company.
Many app makers have stopped work on their projects or abandoned them, mostly because of the lack of customers or limitations of the device.