Konstantin Lopyrev

Senior Staff Software Engineer, Tech Lead / Manager at Google (New York). Competitive-programming background: IOI 2007 bronze medal representing Canada, TopCoder Open 2008 semifinalist, ACM-ICPC World Finals bronze with Waterloo (2009, 2010). Education: BASc Software Engineering, University of Waterloo; MSc Computer Science, Stanford University (Stanford NLP group). Past roles include co-op/short internships at Morgan Stanley (Algorithmic Trading), Google (x2), Amazon, Ceeq IT Corporation, and CIBC (Risk Management).

Notes8

• Quant employment verification: CONFIRMED. The LinkedIn/index profile for klopyrev lists a past role 'Co-op Analyst, Algorithmic Trading' at Morgan Stanley (New York, NY, 2011) - an actual co-op/internship role, not a competition, camp, or insight day. Morgan Stanley is a global investment bank whose equities division operates algorithmic/electronic trading desks, so the employer qualifies as a quantitative/algorithmic-trading environment. Identity is supported: the profile's handle 'klopyrev' matches the TopCoder/IOI competitive-programming identity (IOI 2007 competitor for Canada, stats.ioinformatics.org/people/1273 cross-links the TopCoder profile klopyrev) and the GitHub account github.com/klopyrev, and the Waterloo Software Engineering Bachelor (2007-2012) timeline is consistent. Caveat: this specific role is sourced from the LinkedIn-derived index, not an independently read primary page; a second quant-adjacent role, 'Analyst, Risk Management' at CIBC (Toronto, 2008), is bank risk work rather than trading.2011
• Third author (of four) on SQuAD (Rajpurkar, Zhang, Lopyrev, Liang, EMNLP 2016), the Stanford reading-comprehension dataset that became a standard NLP benchmark; the affiliation and the Stanford NLP-group graduation post place the work in his Master's period.Nov 2016
• Education: Bachelor of Software Engineering, University of Waterloo (2007-2012); Master of Computer Science, Stanford University (2012-2016), where he was a member of the Stanford NLP group.2016
• Single-author paper 'Generating News Headlines with Recurrent Neural Networks' (arXiv:1512.01712, submitted 5 Dec 2015) - the same seq2seq news-headline work as his Stanford MSc, later productized as Axel Springer's open-source 'Headliner' library.Dec 5, 2015
• Competitive-programming record (CPHOF): TopCoder Open 2008 Algorithm semifinalist (top-72, rank 17 in semifinal 3, $500); TopCoder High School 2007 rank 20; ACM-ICPC World Finals bronze medals in 2009 (rank 10) and 2010 with University of Waterloo's 'Waterloo Black' team.Apr 21, 2009
• Represented Canada at the IOI 2007 in Croatia, winning a bronze medal with a score of 255/600 (rank 88, 2007).Aug 22, 2007
• At Google he works on embedding models for news and social-media content retrieval and ranking in Google Search (an ML/IR role), not on any quant/finance product, per the current-role description.Aug 12, 2025
• Google Scholar profile lists a Google-verified email and ~12,593 citations (h-index 4), concentrated in the SQuAD paper.2026
• GitHub (klopyrev) shows low personal activity (5 followers) but includes CodaLab repos (codalab-cli, codalab-worksheets, codalab-competitions), tying the account to the CodaLab research-assistant work at Stanford; the profile's only external link is Instagram.2024