Graphene CR | The Super Carbon Store

high quality, environmentally friendly graphene powders for industry

high quality, environmentally friendly graphene powders for industry

high quality, environmentally friendly graphene powders for industryhigh quality, environmentally friendly graphene powders for industry

About Us

Maví Figueres- President & Co-Founder

Founder/ CEO 
Maví Figueres

Maví’s passion for nature and the environment helped guide her to found GrapheneCR with the goal of realizing graphene’s potential to heal our planet.

Maví has started numerous companies in the US, Africa and Spain and was honored to serve the State of Alabama as the Governor’s Liaison to the Americas, successfully representing more than 1,600 Alabama companies to the markets of Latin America. 

Dr. Sam Weaver- Co-Founder/ Inventor

Dr. Sam Weaver
Co-Founder/ Inventor

Dr. Weaver is a serial entrepreneur with more than 40 years of experience founding and operating over a dozen companies in the automotive, aerospace, advanced materials and energy fields.  

He holds 11 U.S. Patents, and is the recipient of the Award of Merit from ASTM and multiple entrepreneurial awards from the Governors of Missouri and Tennessee.  

Dr. Weaver earned a B.S. in Metallurgical Engineering from the University of Missouri-Rolla (now Missouri S&T), and a M.S. and PhD in Metallurgical Engineering from the University of Tennessee. 

José María Figueres- Chairman

Former President of Costa Rica José María Figueres Olsen- Chairman of GrapheneCR

José María Figueres Olsen served as President of Costa Rica from 1994 to 1998. Figueres has also been involved in global issues such as climate change, sustainable development, and technology. José María Figueres entered public service as Minister of Foreign Trade and then Minister of Agriculture. In 1994, he was elected President of Costa Rica, as the nation's youngest elected president of the 20th century. In 2000, he joined the World Economic Forum in Switzerland, and has served as President of the Board of Leadership in Environment and Development (LEAD). Member of the Board of Directors: World Wildlife Fund (WWF), USA; World Resources Institute (WRI); Stockholm Environment Institute (SEI). Since 2010, he has been Chairman of the Carbon War Room, an independent non-profit organization focused on the global transition to a low-carbon economy.  

About Us

Eric Hoxit- CEO


Eric Hoxit has gained a reputation as a “Go-To” fixer for operations. 

He has worked with international brands and companies throughout the US bringing leadership and structure to numerous organizations. 

Eric has also been involved in founding several companies ranging from hospitality development to commodities.

Francisco Jimenez- President, Latin America & Carribbean


Don Francisco Jimenez has spent years in public service in various high profile positions in the government of Costa Rica including: Vice Minister of Transportation for Costa Rica from 2010 to 2018, Minister of Public Works and Transportation for Costa Rica, Executive Director of COSEVIA, Executive President of the Council of Port Development (JAPDEVA)

Roger Barquero- Business Development- Latin America & Caribbean


Roger Barquero has over 25 years of Management experience in different areas, including operations, marketing, project management, strong negotiation skills, client management, budgeting and planning abilities, IT, Communications, Contact Center and BPO Consultant. 

Roger is also deeply involved in Motorsports and currently serves as the FIA Sports Commissioner.

Our Team

Close up of a business woman and man shaking hands in a conference room

US/ North America

Don Deptowicz

Thomas Scotton (via nuForj LLC).

Costa Rica

Alvaro Cascante

Don Francisco Jimenez

Vladimir Quiros


Eccehomo Gomez


Nicolas Waisman

South Korea

hwakwang trading Co., Ltd.

Mr. Dae-Sik Son



Saudi Arabia/ Middle East 

Carl Dusthimer

Spain & EU


Francisco Gil – CEO 

(+34) 610 70 90 42

Alfredo Molares – COO: 

(+34) 638 61 84 96

Ana Ballesta (PhD) – CTO: 

(+34) 646 98 54 95