Mohammadreza Ahmadnejadsaein

I am a Ph.D. candidate in Operations Research at Cornell University, advised by Omar El Housni. My research is on combinatorial optimization and decision making under uncertainty, with applications to revenue management and online platforms. Before Cornell, I received an M.Sc. in Finance and a B.Sc. in Electrical Engineering from Sharif University of Technology.

News

2026
Adaptive Two-Sided Assortment Optimization was named a finalist in the INFORMS JFIG Paper Competition 2026.
2026
Adaptive Two-Sided Assortment Optimization: Revenue Maximization is under major revision at Operations Research.
2025
Spent the summer as a PiTech PhD Impact Fellow with the New York City Housing Authority.

Working Papers

Adaptive Two-Sided Assortment Optimization: Revenue Maximization

with Omar El Housni

Major revision, Operations Research, 2026. · Finalist, INFORMS JFIG Paper Competition 2026.

We study revenue maximization on two-sided matching platforms, where assortments are shown to both sides of the market.

arXiv:2507.04156

The Value of a Single Experiment in Assortment Optimization

with Omar El Housni and Amine Bennouna

Working paper.

Experience

Summer 2025
PiTech PhD Impact Fellow, New York City Housing Authority
Built end-to-end machine learning pipelines on sparse administrative data for risk ranking and delay forecasting.
2021 – 2022
Financial and Business Data Analyst, Cafe Bazaar
Built SQL and PySpark pipelines over marketplace event data for retention and cohort analysis.

Honors and Awards

2026
Finalist, INFORMS JFIG Paper Competition 2026
2023
The Latest in DeFi Research (TLDR) Fellowship ($30,000), Uniswap Foundation
2017
3rd place, annual B.Sc. thesis competition, EE Department, Sharif University of Technology
2013
Ranked 88th of 220,000 in the Iranian National University Entrance Exam
2012
Silver Medal, 30th Iranian National Mathematical Olympiad
2011
Silver Medal, International Mathematics Competition (IMC), Indonesia

Talks

Nov 2026
INFORMS Annual Meeting (scheduled) — The Value of a Single Experiment in Assortment Optimization
Jun 2026
INFORMS Revenue Management and Pricing Conference — Adaptive Two-Sided Assortment Optimization
Mar 2026
INFORMS Optimization Society Conference — Adaptive Two-Sided Assortment Optimization
Oct 2025
INFORMS Annual Meeting — Adaptive Two-Sided Assortment Optimization
May 2024
Uniswap TLDR Conference — Securing DeFi from DAO Governance Attacks

Teaching Assistantships

Fall 2026
ORIE 5129: Data Science for e-Retail and the Sharing Economy — Cornell University
Spring 2026
ORIE 5570: Reinforcement Learning with Operations Research Applications — Cornell University
Fall 2025
ORIE 5380: Optimization Methods — Cornell University
Spring 2025
ORIE 3120: Practical Tools for OR, Machine Learning and Data Science — Cornell University
Fall 2023
ORIE 5600: Stochastic Calculus — Cornell University
2016 – 2019
Four further appointments at Sharif University of Technology