Data Science


Current position
PhD, Director of Software Development Europe, Rational Retention
Machine Learning
Software Engineering
Graph theory



Konstantin Mertsalov is European Director of Development at Rational Enterprise, a globally leading software development company specialising in enterprise information management.

Originally from Russia, he moved to New York in 1998 to study Computer Science and Applied Mathematics , and continued his academic career with a Rensselaer Polytechnic Institute PhD on large dynamic social networks.

He's an expert on machine learning, information diffusion in social network, semantic web search, unstructured data, big data and data analytics in general. He developed U Rank, a search engine that allows people to organise, edit and annotate search results as well as share information.

Konstantin aims to lead the Harbour.Space Data Science programme with unbridled enthusiasm about the relatively new field, and he’s determined to use his industry knowledge to share, teach and create for the future with his students.


Director of Development (Europe)
Rational Retention
December 2009 – Present | Moscow, Russia and Albany, New York

Research Assistant
Rensselaer Polytechnic Institute
September 2005 – December 2008 | Troy, NY

Research Internship
May 2008 – August 2008 | Redmond, WA

Senior Developer
Amici LLC
2002 – 2005 | Albany, NY

Biznessonline.com 1999 – 2002 | Albany, New York Area

Honors & Awards

  • The Robert McNaughton Prize
    May 2009
    The prize is given to an outstanding graduate student in computer science

Selected Publications

  • Stephen Kelley, Mark K. Goldberg, Konstantin Mertsalov, Malik Magdon-Ismail, William A. Wallace: Overlapping communities in social networks. IJSCCPS 1(2): 135-159 (2011) 2010
  • Malik Magdon-Ismail, Konstantin Mertsalov: A permutation approach to validation. Statistical Analysis and Data Mining 3(6): 361-380 (2010)
  • Mark K. Goldberg, Stephen Kelley, Malik Magdon-Ismail, Konstantin Mertsalov, Al Wallace: Finding Overlapping Communities in Social Networks. SocialCom/PASSAT 2010: 104-113
  • Konstantin Mertsalov, Malik Magdon-Ismail, Mark K. Goldberg: Models of Communication Dynamics for Simulation of Information Diffusion. ASONAM 2009: 194-199
  • Stephen Kelley, Mark K. Goldberg, Malik Magdon-Ismail, Konstantin Mertsalov: Stability of individual and group behavior in a blog network. ISI 2009: 7-12

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