Rethinking communications

The Instantgo team

Apple Store

Our story

Instantgo is changing the way that people help each other through communications. As a team, we realize how precious and scarce time is.
We are creating the tools that enable people to better account for their time, incentivize people to provide better services and create a new sphere of opportunities for those who have knowledge and expertise to share.


Nathanael Einsenber

Nathanael Eisenberg

Founder & CEO

Nathanael Eisenberg is the founder and CEO of Instantgo. He is also the founder and current president of Bayrock and the current chairman of CogniFit.

Nathanael started his career in banking at Schroders in Geneva before working as a financial analyst in the Trading Room of the Union Bancaire Privé. Nathanael then moved out of the banking industry and worked for the IT Consulting firm Cap Gemini in their Telecommunication group in London. He then transferred to Paris to assist in the management of a Publishing Group before being recruited in the European headquarters of Procter and Gamble in Geneva where he held marketing positions managing a portfolio of brands. Nathanael then went with P&G to Madrid to oversee the launch of a key Home Care initiative in the Iberian market.

After this commercial and marketing experience, Nathanael went to Paris and founded with a group of partners Milk Capital, a Venture Capital fund specializing in micro to mid-sized investments in sectors ranging from telecommunication to  internet and technology mostly in Europe. Nathanael then served as CEO of CogniFit in New York City  before being  elected Chairman of the company. Nathanael Eisenberg is graduated from HEC Lausanne with a Master in  Management and resides in Los Angeles.

Carlos Rodriguez

Carlos Rodriguez

Founder & CTO

Carlos Rodriguez is the founder and CTO of Instantgo. He is also the founder of Madrid ventures as well as a director & CTO at CogniFit.

Carlos began his career at the Peugeot Group in the process optimization area, before moving to the New Technologies department of Uralita, as Internet project manager. Carlos has also worked for Procter & Gamble in Geneva and Madrid in the marketing intelligence department. He was in charge of forecasting the new product launches sales potential while implementing the validation systems for the in-market evolution of major consumer brands. In addition Carlos was responsible for implementing online systems to manage the internal cross-functional innovation process of new products.

Carlos Rodriguez is a founding partner of the venture capital fund Milk Capital in Paris, where he was responsible for evaluating technology based investments and Internet companies. At CogniFit, Carlos manages the overall development, design, support, and science teams, as well as the business expansion in Spanish speaking countries. Mr. Rodriguez earned an Industrial Engineering Master Degree from the Polytechnic University Carlos III of Madrid, and the Grande Ecole INSA of Lyon, France.

Angel Centeno

Ángel Centeno

Lead iOS Developer

Ángel Centeno is the lead iOS Developer at Instantgo. Ángel started his professional career in 2006 developing web environments in Lextrend for Mapfre, a major insurance company in Spain. Following this experience, Ángel went to work for Acilia where he worked on webs and mobile projects for clients such as Fox International Channel and National Geographic Channel.

Ángel took part of all the development process, from the early stage, managing and overseeing requirements, to the end of the process launching the projects in their respective markets. After Acilia, Ángel collaborated with the Spanish government to adapt the entire civil registry system in the country for the digital age. Ángel is graduated from Universidad Politécnica de Madrid with a bachelor in Computer Science.

Juan Liniers

Juan Liniers

Web Development Manager

Juan Liniers is the Web Development Manager at Instantgo. Juan started his career as a designer and web developer in several advertising agencies before moving to Fon where he acted as a programmer analyst. At Fon, Juan was part of the team which initially launched its website as well as created the back in 2006, using the very first Google Maps API.

After his experience at Fon, Juan started working for the New Technologies department in Loterías y Apuestas del Estado in Spain, as a programmer analyst and an expert in virtual communities and web tech. Juan then transitioned to a new role as the Web Development Manager for CogniFit in Madrid. There, as part of his daily tasks, he spearheaded the creation of a static cache and a CMS to aid translators in localizing the entire site to more than 14 different languages. Juan Liniers is graduated from the Primer Instituto Tecnológico in Madrid with a degree in Web Design and Digital art.

Iris Ayuso

Richard Fisher

Senior iOS Developer

Richard Fisher is the Senior iOS Developer at Instantgo. Richard started his career in 2010 at Rapid Mobile, a software development company developing bespoke mobile applications for clients. A couple of months after, Rapid Mobile was acquired by Rank Interactive, a division of the Rank Group which handles online business for gambling brands such as Mecca Bingo, Grosvenor Casinos, Blue Square and Enracha. Richard worked on a number of internal projects for these brands, ranging from gambling applications to tablet based mini games.

Richard then moved on to take a bigger role as lead mobile application developer at one of the biggest  digital agencies in Edinburgh, Scotland called Blonde Digital. Richard took the lead in developing mobile applications for major UK franchises and brands such as Nando’s, Irn Bru and Maxxium, as wells as the Glasgow 2014 Commonwealth games. Richard was involved from the early conceptualisation phase all the way up to delivery and maintenance phases. Richard graduated with honors from Heriot-Watt University in Edinburgh with a bachelor degree in Computer Science.

Iris Ayuso

Iris Ayuso

Head of Design & UI

Iris Ayuso is the head designer and user interface architect of Instantgo.

Iris started her career as a product assistant at G.F. Studio, a photography studio based in New Jersey. She then continued to work as a life style photographer in Madrid & Barcelona. She then moved to London where she studied Visual Merchandising and started working as Web &UX designer at ClubRural in Spain. She then went to work for the e-commerce site of the television channel Canal + and then became a Web Designer at ToysRUs Iberia.

Iris Ayuso is graduated in Fine Arts at the University of Salamanca and has a Master of documentary Photography at the Internacional School of Photography of Madrid, EFTI. She also followed a specialization in web design at CICE, Madrid and a Postgrade of Uxability and User Experience at Pompeu Fabra University in Madrid.