Meet Our Core Team

The core people shaping Tendy—supported by a wider team of developers, designers, and operators.

Alexander Fernandez

Co-Founder & CEO
Alex is a seasoned entrepreneur and trader with a deep understanding of global markets. After building multiple businesses across different industries, he now leads Tendy with a clear focus: making powerful trading tools simple, accessible, and actually useful.

Jacob Mangleby

Co-Founder & CEO
Jacob leads product and engineering at Tendy. What started as building trading tools evolved into becoming one of the top Pine Script developers globally. He now focuses on turning complex trading logic into fast, reliable, and intuitive tools—making sure everything Tendy ships is both powerful and easy to use.

Alex Friend

Technology & Brand
With a background in computer science and advanced technical systems, Alex bridges the gap between engineering and user experience. At Tendy, he focuses on aligning technology with product experience-making sure everything feels cohesive, fast, and built with intention.

Korey Berg

Chief Marketing Officer
Korey leads growth and positioning at Tendy. With a background in digital strategy and MarTech, he focuses on cutting through the noise and communicating what actually matters to traders. His approach blends real market understanding with clear, no-fluff messaging.