Mark Sullivan

Upstack works with fast growing companies to help them harness remote talent to grow their team and get their product to market faster. We have a fast growing network of the top technical talent covering the most in demand skills including Node.JS, Angular, React, iOS, Android, RoR and Python. We are passionate about building distributed teams and dont let location limit the talent we access to build awesome products.

The Tailgator is the industry’s first serious brake light for cyclists, parents, and safety advocates. Tailgator’s intelligent brake-sensing tail light with three, 100 LUMEN, insanely bright flashing LEDs, and two non-braking lights.

Arco Andino is dedicated to helping business and real estate owners in Medellín and the greater Antioquia region get the capital and expertise they need to grow. The company developed a unique investment mechanism for its funds that provides unique benefits for both foreign and local investors who are committed to building a more prosperous Antioquia.

Upstack works with fast growing companies to help them harness remote talent to grow their team and get their product to market faster. We have a fast growing network of the top technical talent covering the most in demand skills including Node.JS, Angular, React, iOS, Android, RoR and Python. We are passionate about building distributed teams and dont let location limit the talent we access to build awesome products.

The Tailgator is the industry’s first serious brake light for cyclists, parents, and safety advocates. Tailgator’s intelligent brake-sensing tail light with three, 100 LUMEN, insanely bright flashing LEDs, and two non-braking lights.

CallRail is the lead intelligence platform that makes it easy for businesses of all sizes to market with confidence. Serving more than 200,000 companies worldwide, CallRail’s solutions help businesses track and attribute each lead to their marketing journey, capture and manage every call, text, chat, and form, and use real-time insights to optimize their marketing.

Vasolo provides growth consulting that helps small-to-medium-sized businesses increase revenue by streamlining marketing operations. Services include by-the-hour consulting and project work.