RISELENS
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The people behind RISELENS

Builders of defensible decisions.

We're a small, senior team from decision science, ML, and product. We build the engine that turns messy evidence into decisions you can explain and defend.

CO-FOUNDERS

Arash Rayatian headshot

Arash Rayatian

Co-founder & CEO

Delft, NL

+10 years of experience building startups, innovation programs, and technology ventures across Europe. Previously founded and exited an early-stage company. Leads product strategy, commercialization, and industry partnerships. Focused on developing decision intelligence solutions that help organizations make explainable, evidence-based decisions in complex and high-stakes environments.

Joined
2024 — founding
Education
MSc Future Studies
Sheyda Tayefehhashemi headshot

Sheyda Tayefehhashemi

Co-founder & CPO

Delft, NL

Background in futures studies, decision sciences, and venture development. Leads the design of structured decision-making frameworks, user workflows, and decision governance methodologies. Responsible for translating complex organizational decision processes into scalable and explainable AI-supported systems.

Joined
2024 — founding
Education
MSc Software engineering

THE TEAM & ADVISORS

Pourya Darnihamedani headshot

Pourya Darnihamedani

Head of Research

Amsterdam, NL

Associate Professor in Entrepreneurship and Innovation. Leads scientific validation, methodology development, and research design. Supports development of explainable decision frameworks, evaluation methodologies, and model validation approaches.

Arezoo Zareian headshot

Arezoo Zareian

Head of AI

Turkey

Artificial Intelligence specialist focused on reasoning systems, predictive modelling, and uncertainty-aware AI. Responsible for developing evidence analysis models, confidence scoring mechanisms, and explainable recommendation engines.

Saeed Baharikhoob headshot

Saeed Baharikhoob

CTO

Turkey

Software architect specializing in scalable SaaS platforms, data-intensive systems, and cloud infrastructure. Leads platform engineering, system architecture, data ingestion pipelines, and deployment of AI-powered decision intelligence services.

How we work

Evidence over opinion

Every claim in the product is sourced, weighted, and inspectable.

Small, senior teams

We stay small on purpose. Fewer handoffs, faster decisions.

Customers as co-builders

Design partners shape the roadmap. We ship what they actually use.

We're hiring

Open roles in engineering, research, and customer success. Remote-friendly across EU time zones.

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