Hybrid Advisory

3 infinity is a dynamic assembly of financial strategists, designers, and technologists.

We blend financial strategy with elite experience design, engineering solutions, and an array of integrated business services to support you on your journey.

A new kind of hybrid consulting

Three Infinity sits at the intersection of Finance, Product, and Engineering.

We're a global, culturally connected mix of professionals with a diversity of world-class innovative skills. We work across department lines, believing that interdisciplinary collaboration expands capability and drives more valuable change, helping our clients unlock more profitable and sustainable growth.
Let's make something wonderful together.

Trusted by these leading companies

Finance & Advisory

Capital Architecture

We build the financial bedrock for your growth. No boilerplate templates. We handle the heavy lifting—from strategic fundraising and bulletproof tax advisory to complex M&A structuring. We optimize your numbers so you can scale with absolute clarity.

Product & Design

Product Innovation & Brand Strategy

We help luanching intuitive digital experices that people love, and craft brands that command attention and inspire action.

Development

Full Stack Engineering

We builds system with infrastructure that supports long term scare.

Our founding Team

Sandra He

Founder

Sandra operate at the intersection of capital logic and AI execution. Transforming $18B+ in M&A, financing, and IPO experience into streamlined, data-backed execution, she helps founders, investors, and buyers to navigate complex capital markets through sophisticated financial strategy and practical AI workflows.

Joyce Xu

Venture Partner, Product & Design

Joyce designs and builds products that make business sense, brings together product thinking, UX, and branding strategy to help startups build experiences people love—and businesses can scale.