Senior technology executive and a geek, passionate about building great products and outstanding engineering teams who create them. Early LinkedIn team member. Former Twitter VP. LinkedIn: https://www.linkedin.com/in/rbelkin Twitter: @ruslansv Specialties: information retrieval, search, machine learning, large-scale distributed systems, mobile applications, agile software development, engineering management and coding when I get a free minute

VP Engineering @ From April 2015 to Present (9 months) San Francisco Bay AreaVP Engineering @ via RelateIQ From September 2014 to April 2015 (8 months) San Francisco Bay AreaVP Engineering @ Acquired by Salesforce From August 2014 to April 2015 (9 months) San Francisco Bay AreaMember, Board of Advisors @ From May 2014 to April 2015 (1 year) San Francisco Bay AreaVP Engineering, Search and Content @ Leading awesome teams of engineers working on core Twitter properties and systems: The Home Timeline, Twitter Search, Content and People Discovery, Geo and Anti-Spam. From February 2014 to August 2014 (7 months) San Francisco Bay AreaSr. Director of Engineering, Search and Relevance @ Locking in Twitter's dominance as the place on the Internet where users go to find and discover the most relevant and personalized in-the-moment content, insights, events, people to follow, and things to do. From March 2012 to February 2014 (2 years) San Francisco Bay AreaSr. Director of Engineering, Content and Community Products @ Leading an outstanding team of engineers that brought you best in class insights products - LinkedIn Today (www.linkedin.com/today) and LinkedIn Signal (www.linkedin.com/signal) products. The Content and Community team (80+ engineers) is responsible for the LinkedIn Homepage, InBox, all email platforms, Groups and insights products. The team is very proud to have built major infrastructure components to power LinkedIn Homepage and the news feed - the USCP (Unified Social Content Platform) and the SenseiDB real-time search platform. From February 2008 to March 2012 (4 years 2 months) Director of Engineering @ Founded and led the Content and Community (CNC) engineering team responsible for communication platforms, inbox, news feeds and groups. The team also worked on LinkedIn profile, Address Book, GEO search and built the first iteration of Company Directory and Company Pages product From June 2007 to February 2008 (9 months) Software Architect @ Software Architect Designed and bult LinkedIn Communication Platform a - the core of LinkedIn viral engine and the first version of the News feed that powered LinkedIn Homepage From April 2006 to June 2007 (1 year 3 months) San Francisco Bay AreaSr. Staff Engineer @ Served as an architect in the advanced development (CTO office) team responsible for researching, prototyping, validating and bringing up breakthrough products and technologies into Sun’s suite of software and service offerings. Worked on on infrastructure and development tools for upcoming Sun utility (Grid) computing and software as service . Key contributor to the next generation of Service Level Management (SLM) architecture and a prototype designed to manage very large scale JES systems based on declarative service level objectives. The system employed machine-learning based problem cause analysis and prediction techniques, was based around extended OSS/J specifications and integrated with JES and N1/SPS products for seamless telemetry collection and dynamic resource provisioning. Ruslan is listed as the first inventor on US Patent application related to problem cause analysis method. From December 2004 to April 2006 (1 year 5 months) San Francisco Bay AreaSoftware Architect @ BlueJungle, Inc. – www.bluejungle.com was a startup software company attempting to develop a non-intrusive, comprehensive IP compliance software for companies Defined 1.0 architecture, contributed to product definition and requirements, and critical technology prototypes involving web services, java and xml, hibernate ORM technology, Active Directory/LDAP, Kerberos, CIFS as well as windows desktop and OS kernel. From July 2004 to December 2004 (6 months) San Francisco Bay AreaStaff Engineer @ Served as an architect and led a team of senior engineers that designed and prototyped critical elements of Siebel portal web UI runtime and worked with product marketing on defining requirements, feature set and launch plans. Helped with design, implementation and successful delivery to customers of Siebel 7.7 UI framework, contributing significant amount of code to both server and client side components. Worked with Siebel technology partners - IBM and BEA to assure that Siebel products could be successfully built with emerging technologies – JSF on top of portal servers. Ruslan was recipient of CEO award for outstanding performance. From April 2003 to July 2004 (1 year 4 months) San Francisco Bay AreaPrincipal Engineer @ Worked on Netscape Enterprise Server (iPlanet Web Server), designed and coded majority of it's Java support. Worked on networking stack for Netscape 6.x and Seamonkey browsers and AOL/NPE server infrastructure that powered my.netscape.com and my.aol.com During his tenure with Netscape - Ruslan presented twice at JavaOne conferences and co-authored articles published in Java Developers Journal JDJ). From April 1997 to April 2003 (6 years 1 month) San Francisco Bay AreaSr. Software Engineer @ - designed and delivered ICE.NFS product for Windows 95. - contributed to firewall, ICE.TCP and ICE.NFS for Windows 3.11 and Windows NT products and helped to redesign and jump-start development on replacement of ICE.TCP From November 1995 to April 1997 (1 year 6 months) Greater Minneapolis-St. Paul AreaSr. Software engineer @ - designed and implemented highly-successful accounting software for internet service providers. - contributed to to developing information system for government of Ukraine involving large databases of technology and invention information From December 1992 to October 1995 (2 years 11 months) Software Research Engineer @ Ruslan worked on variety of projects to develop and enhance entrance exam systems and participated in development of election vote counting software written in C/C++ and utilizing variety of database technologies. From June 1990 to November 1992 (2 years 6 months)

MS, Computer Science, Applied Math @ Kyiv National Taras Shevchenko University From 1985 to 1990 Ruslan Belkin is skilled in: Scalability, Java, Distributed Systems, Software Engineering, Software Development, Agile Methodologies, Technical Leadership, Engineering Management, Hadoop, Databases, Web Services, Scala, Machine Learning, Product Management, Recommender Systems