Meet the team
behind it all.

Behind every happy client is our dedicated team of skilled designers and developers, always ready to answer questions and go the extra mile.

Who We Are

Geekbears is a Web Development Company based in San Francisco with offices in Mexico City. Founded in 2015 by UC Berkeley Engineers, Geekbears has grown to a solid team of 12+ Software Engineers and UI/UX Designers. We specialize in WordPress and MEAN Stack development and have built 65+ web applications in these technologies. Our clients include: Fortune 500 Companies, Academy Award Nominees, and educational institutions, such as UC Berkeley.

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    Year Founded

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    Team Size

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    Happy Customers

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    5-Start Yelp Reviews


Marcos Mena-Brena

Founder & CEO

UCB ‘13
UC Berkeley ‘18

Co-founded SchooLinks. Grew team to 8 in-house software engineers. SchooLinks raised ($1.5 USD Million) in funding and won an incubator program (Capital Factory). Currently UC Berkeley’s Entrepreneurship Association VP of Tech.


Carlos Bertin Leon

VP of Operations

Tecmilenio University ‘16
Tecmilenio University ‘18

Founded Interlion, an I.T. company focusing on hardware & software support servicing Mexico City’s Metropolitan Area. Carlos has a Master on IT Management at one of the best Universities in Mexico founded by Tec de Monterrey.


Victor Heredia

VP of Technology


Software Engineer specializing in MEAN Stack Development. Has built dozens of web apps including dumpling Inc.’s web app, a Harvard MBA alumni startup. Victor has done research in several JavaScript tools we use at Geekbears.


Aldo Botello

Project Manager

IPN ‘16

Graduated from the top Computer Science Program in Mexico, Aldo has vast experience managing web projects including Fortune 500 companies’ websites.


Joseph Fajnor

Lead UI/UX Designer

UC Berkeley ‘18

Joseph has spearheaded the design on a variety of applications and websites. He specializes in Human-Centered Design, User Interface and User Experience Design.


Ivan Rangel

Software Engineer

IPN ‘16

Graduated from the top Computer Science in Mexico, Ivan has built several web apps using the MEAN Stack, including one for a major Insurance Company based in New Jersey.


Joseph García

Software Engineer


Joseph has a System Engineer degree. He has worked in Fortune 500 projects using WordPress. Experience in Mobile App Development using programming languages such as Swift and AngularJS.


Parina Gujral

UI/UX Designer

UC Berkeley ‘18

UC Berkeley Cognitive Science graduate. Gradually escaping the cycle of needing experience to find experience. Exploring empathetic design in tangible & digital mediums. Passionate about designs’ benefit to education and bringing together digital-tangible mediums for impactful projects.


Jorge Cordero

Software Engineer

BUAP ’11

Jorge has 5+ years of experience developing web apps using technologies such as WordPress and PHP. He has led teams of 10+ Web Developers.

Mariana Puig

Digital Marketing Manager

UC Berkeley ’17

Mar is a digital marketing expert and AR/VR enthusiast. As a former Googler, she learned from the best on how to craft well thought B2B marketing strategies, both organic and paid. She got her Bachelor’s Degree in Business specialized in Development and Creation of Ventures from Tecnológico de Monterrey and University of California, Berkeley.


Gina Teichert


Academy of Art University

Gina is an advertising and editorial writer from San Francisco, CA.  E-commerce giants like Zappos and Amazon and tap into Gina’s SEO driven, yet human-centric writing to share products and gear guides with their customers.  She draws upon her editorial experience to create rigorously reported blogs and long-form content for clients looking to tell rich brand stories and gain cultural capital.


Jahangir Mahmood

Account Manager

Virtual University of Pakistan ’10

Featuring a diverse experience of over 8 years in finance, I am a chartered accountant and certified CPA. Supporting my many accountancy skills is my MBA in finance. My professional profile is enhanced by my certification in Oracle Financials R12, SAP FICO (financial accounting and controlling).

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