Rory Mackay
CEO at Tiercel Capital Texas LLC
Houston, Texas, United States
Summary
👤
Senior🎓
Top SchoolRory Mackay is a seasoned financial markets professional and founder-CEO with over 30 years of hands-on trading experience across bonds, swaps, FX, commodities and their derivatives. He leads Tiercel Capital Texas and previously co-founded and ran fund management and fintech ventures, applying deep market microstructure knowledge to asset allocation, stock selection and managed futures. Rory combines front-line trading instincts from roles on exchange floors and senior dealer desks with systematic research using R, Python and machine learning to uncover undervalued situations and design risk-managed strategies. He has a track record of building trading platforms and packaged products through joint ventures and startups, demonstrating both technical curiosity and commercial execution. Based in Houston, his background blends executive leadership, chair-level decision making and practical hands-on coding for research—an uncommon mix that helps bridge quant research and capital deployment.
9 years of coding experience
14 years of employment as a software developer
BA, Philosophy, BA, Philosophy at UNISAUniversity of Pretoria
Afrikaans
Github Skills (3)
trading10
python9
automation2
Programming languages (2)
Github contributions (5)
rorymac/pysystemtrade
Nov 2020 - Jul 2026
Systematic Trading in python
Contributions:175 pushes, 18 branches in 5 years 8 months
pythonalgorithmic-tradingsystematictradingtrading-strategies
rorymac/introduction_to_ml_with_python
Jun 2023 - Jun 2023
Contributions:2 pushes in 1 day
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