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Cactus

The people behind Cactus

Built by people who
care how the numbers work.

Real estate experience, financial modeling, and AI engineering. We work together to turn a folder of deal documents into an analysis your team can understand and review.

01 / Founders

From the deal to the product.

Tyler Sellars

Tyler Sellars

Co-founder & CEO

LinkedIn ↗

Company direction, commercial partnerships, and conversations with the investors and brokers using Cactus.

Tyler is a commercial real estate investor and the co-founder and CEO of Cactus. His experience building and operating self-storage properties informs the problems we choose to solve.

02 / Team

The people making it work.

Nathan Feeser

Nathan Feeser

CTO

LinkedIn ↗

Engineering architecture, product reliability, releases, and the systems connecting AI, models, and reports.

Nathan leads engineering and product reliability at Cactus. He previously led engineering teams at QSRSoft and holds a master’s degree in software engineering from Embry-Riddle Aeronautical University.

Hugo Defois

Hugo Defois

AI Engineering Lead

LinkedIn ↗

Document extraction, agent reasoning, knowledge systems, and evaluation of underwriting workflows.

Hugo leads AI engineering at Cactus. His background spans software engineering, technical team leadership, data systems, machine learning, and LLM training. He builds the agent workflows and evaluation loops that connect evidence to useful analysis.

Badreddine Karimi

Badreddine Karimi

Data & Model Integrations Lead

LinkedIn ↗

Structured financial data, market data integrations, and mapping customer Excel models to the underwriting workflow.

Badreddine leads the data and model integrations behind Cactus underwriting. His work connects source information, model inputs, deterministic financial calculations, and Excel outputs.

Sebastian Prieto

Sebastian Prieto

Underwriting Quality Lead

LinkedIn ↗

Underwriting benchmarks, financial model review, and acceptance criteria for the quality of the analysis.

Sebastian brings experience in real estate, investment finance, and software, with a master’s degree in property development. He works with product and engineering on benchmark deals, financial assumptions, and underwriting quality.

Stevie De Gala

Stevie De Gala

Head of Customer Success

LinkedIn ↗

Helping customers evaluate Cactus, connect their workflow to the product, and bring practical feedback to the team.

Stevie is a self-storage owner and leads customer success at Cactus. He works with CRE investors and brokers on their underwriting process and brings their day-to-day questions back to the product team.

Bring us your workflow

See how the pieces fit your next deal.

Walk through source documents, market evidence, assumptions, and the Excel model with our team.

Book a workflow demo →
Start Building