Mark Pollack has worked extensively in the financial sector as an architect and developer on various front office trading systems that involved a mixture of Microsoft and Java technologies. Mark has been a core Spring (Java) developer since 2003 and founded its Microsoft counterpart, Spring.NET, in 2004. This year, Mark has joined Interface21 and will continue to lead and develop Spring.NET. Prior to this, Mark was a founding partner at CodeStreet, LLC, an independent software vendor in the financial services industry.