Boris Mihov

Boris Mihov is a Bulgarian competitive programmer and student. He represented Bulgaria at the International Olympiad in Informatics in 2023 (bronze), 2024 (silver) and 2025 (silver), and is a Codeforces grandmaster under the handle 'libobil' (max rating 2581). He attended Sofia High School of Mathematics (2017-2025) and began a BA in Mathematics and Computer Science at the University of Oxford in 2025. His listed engagements are a 2026 Jane Street First-Year Trading and Technology Program (an educational program, not employment), teaching competitive informatics at Olimpiici School (2024-2025) and setting algorithmic problems for Musala Soft's CodeIT competition (2022).

Notes4

• Quant employment verification: NOT CONFIRMED. The only Jane Street entry surfaced is the 2026 "First-Year Trading and Technology Program" (London office), which the profile record describes as "An educational event related to quantitative trading and tech in Jane Street" - a student program, not a role or internship. Jane Street is a quantitative trading firm, but the listed engagement is educational and does not establish employment; no other quantitative-finance or trading employer (bank, asset manager, energy/crypto trader, market-maker) appears in searches. Identity is independently supported (IOI statistics profile, Codeforces handle libobil, LinkedIn headline).
• Quant employment verification: NOT CONFIRMED. The only Jane Street entry surfaced is the 2026 "First-Year Trading and Technology Program" (London office), which the profile record describes as "An educational event related to quantitative trading and tech in Jane Street" - a student program, not a role or internship. Jane Street is a quantitative trading firm, but the listed engagement is educational and does not establish employment; no other quantitative-finance or trading employer (bank, asset manager, energy/crypto trader, market-maker) appears in searches. Identity is independently supported (IOI statistics profile, Codeforces handle libobil, LinkedIn headline).
• Jane Street First-Year Trading and Technology Program listed for 2026 at the London office; enrichment labels it an educational event rather than an internship or full-time role, so it is a student program, not employment.
• IOI results representing Bulgaria: bronze medal 2023 (score 91), silver 2024 (67/87.17), silver 2025 (58/76.17).
• Musala Soft - Algorithmic Problem Setter (2022), described as part of the team that set up the CodeIT competition. Musala Soft is a Bulgarian software engineering services company, not a quantitative-finance or trading firm.
• University of Oxford - BA Mathematics and Computer Science, 2025-2028 (3 years).
• Codeforces handle libobil (Sofia, Bulgaria; 'From University of Oxford'), max rating grandmaster 2581; profile publishes email [contact omitted].
• Olimpiici School - Teacher (2024-2025), running weekly classes with 8th-grade competitive informatics students.
• Sofia High School of Mathematics - High School Diploma, Mathematics and Computer Science, 2017-2025.
• No personal website, blog, or social (X/Twitter, GitHub) profile was confirmed for this person; the only verified public profiles are LinkedIn, IOI statistics, Codeforces and the cphof.org consolidated profile.
• Also carries the handle alias taiga-1320202077 supplied with the task's identity lead.