Meet world's 5 richest tech billionaires

New Delhi: It is not a surprise that starting a tech company can be unpredictable and risky, but these 5 richest in tech have mastered the game.In 2012, the top 15 richest individuals in technology amassed a collective net worth of $272.6 billion. This year that group checked in with a sum of $295.2 billion, up 8%. Eleven members experienced year-over-year increases in their fortunes while four fell.Meet the world's top 5 billionaires who made it to the Forbes 2013 richest in technology.No. 5: Sergey BrinNet Worth: $22.8 billionSergey Brin co-founded Google with Larry Page. Brin is now director of special projects at the Mountain View, Calif.-based search giant, leaving his counterpart Larry Page to handle most day-to-day operations. Brin oversees Google's foray into hardware and futuristic endeavors like driverless cars and augmented reality spectacles known as Google Glass. Brin earned his undergraduate degree at the University of Maryland and completed his PhD in Computer Science at Stanford University.No. 4: Larry PageNet Worth: $23 billionLarry Page is Google's cofounder and CEO since April 2011. Google's Larry Page stepped in as CEO in 2011, replacing Eric Schmidt. Page is now putting his efforts on mobile, an area which he called "uncharted territory" during the company's fourth quarter earnings call.No. 3: Jeff BezosNet Worth: $25.2 billionJeff Bezos' Amazon.com is the world's largest internet retailer of any kind, reporting more than $61 billion in 2012 sales, up $13 billion from the previous year. His role in promoting e-commerce around the world has been widely recognized. After graduating from Princeton University Bezos worked for a few companies before he founded Amazon in 1994. He is also responsible for the popular Kindle electronic book reader.No. 2: Larry EllisonNet Worth: $43 billion Oracle CEO Larry Ellison likes to fly fighter jets and launch America's Cup sailboat racing campaigns. A native of New York City, Ellison grew up in Chicago and moved to California in the late 1960s. He would later become a close friend of the late Apple co-founder Steve Jobs. Ellison's expensive life-style is well-documented. Ellison owns hundreds of millions of dollars of real estate around the country, including 98% of Lanai, Hawaii's sixth largest island. Ellison also appeared briefly in the film Iron Man 2.No. 1: Bill GatesNet Worth: $67 billion William Henry Bill Gates III, born 10-28-1955 is a business magnate, philanthropist, and chairman of Microsoft, the software company he founded. Gates has already donated more than $28 billion for philanthropic purposes. Gates' net worth increased $6 billion to $67 billion in the past year - with no help from the company he cofounded. Most of his fortune these days is spread across private equity, bonds, and stocks like hygiene tech firm Ecolab, Mexican TV broadcaster Televisa, and Latin America's largest beverage company FEMSA.