SUMASA Board 2021-2022

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Joaquin Rosas, President

president@sumasa.org  | LinkedIn

Joaquin Rosas joined the SUMA program in Spring 2020 and expects to graduate in December 2021.

Before SUMA, he studied mechanical engineering in Chile, co-founding a startup to develop new combustion technologies to help decarbonize heat processes and gaining experience in project management and finance for the mining industry.

As a 2021 summer intern at RMI, Joaquin worked with the carbon-free mobility team to design a corporate Sustainable Mobility Coalition to accelerate the electrification of transportation network company (TNC) fleets. He is interested in contributing to the decarbonization of the energy and transportation sector with highly impactful solutions.

In his free time, Joaquin enjoys hiking, playing basketball, traveling, reading, and cooking.


Yoni Ronn, VP of Academic Affairs

academic-affairs@sumasaboard.org

Yoni began his journey in the film industry before realizing that his true calling was in sustainability. He has experience in sustainable construction and is a partner at Zenigo, an ethical Mexican fashion brand. Currently, he is perusing a Master in Sustainability Management while hopping between NY and Tulum.


Xantal Tejada Herrera, VP of Communications

comm@sumasa.org | LinkedIn

Xantal graduated from The University of San Francisco with a degree in Communication Studies and a minor in Peace and Justice. Interested in fostering relationships that support development through communication, Xantal obtained a Post-Graduate Certificate in International Conflict Management from the International Peace and Security Institute immediately upon graduation.

Over time, Xantal has worked in startups across sectors and countries. As US Public Relations Officer at Down to Xjabelle, she focused on increasing awareness around workplace inclusion and the cultural heritage of Guatemalan textiles. Xantal then became Regional Account Manager at Kinvolved and focused on supporting schools reduce chronic absenteeism through strategic interventions and client engagement.

Xantal is interested in the role of CSR in the sustainable development of communities. She enjoys eating, all activities in nature, and spending time with dogs.


Alan Chen, VP of Finance

finance@sumasa.org | LinkedIn

Alan joined the SUMA program Fall of 2020 and expects to graduate Summer 2022. He holds an undergraduate degree in business management from University of Colorado, Boulder where he developed a passion for corporate sustainability when working on a project with Nike and UN PRME.

He was also the previous Americas Lead of the Hitachi Sustainability Action Network and helped promote sustainable practices for consultants while on the road and their client site. He is currently a sustainability consultant for the National Park Service, working on cleaning up contaminated sites within the national parks. 

In his free time he enjoys rock climbing, hiking, traveling, biking, and tennis.


Ester Fernandes, VP of Events

events@sumasa.org | LinkedIn

Ester joined the SUMA program in Fall 2020 and expects to graduate in the summer of 2022. With more than ten years of success in the hospitality industry, Ester is skilled in managing hotel operations, events and team members. In her previous role, Ester acted as a liaison between her clients and internal departments to meet organization goals, including sustainability goals. As a former hospitality professional, Ester has the knowledge and expertise to create meaningful events while building relationships through social experiences.

Ester spent the summer of 2021 in Costa Rica exploring the region’s biodiversity and culture. In her free time, Ester enjoys traveling, reading, spending time in nature, and working on DIY projects! 


Sophie Berthout van Berchem, Symposium Co-Chair

symposium_chair@sumasa.org | LinkedIn

Sophie joined the SUMA program in the Spring of 2020 and expects to graduate in May 2022.

She is a Swiss born citizen that undertook History studies at a Bachelor level in the city of Bristol (England). After her studies, she moved to London to manage data marketing projects in a technological medium-sized agency. During her time there, she rallied her colleagues around social and environmental projects, organized charity days and increased awareness around recycling principles. 

During the summer of 2021, Sophie developed her research skills by taking part in an Earth Institute project regarding bauxite mining in Guinea. 

In her free time, Sophie enjoys kitesurfing, wakeboarding, skiing, hiking, diving, listening to podcasts and discovering new cultures.


Alexandra Bagnasco, Symposium Co-Chair

symposium_chair@sumasa.org | LinkedIn

A Kogod School of Business graduate with a concentration in finance and a minor in Spanish, Alexandra began her career at the Boston Consulting Group. As a Senior Financial Analyst, she developed initiatives outside her role focused on professional development for women in the workplace and supported workshops to promote intersectional diversity. 

Alexandra joined SUMA in Spring 2021 and currently works on the Sustainability team at L’Oréal’s Research & Innovation center, supporting the company’s 2030 sustainability goals for respecting biodiversity, natural resource preservation, and water conservation. 

Alexandra is an avid hiker (with goals to visit every national park in the US), loves to spend time with her puppy, Coquito, reading sci-fi thrillers, and going to the beach.


Claudia Dzaluk, VP of Community Outreach

community_outreach@sumasa.org | LinkedIn

Claudia has 2 years of experience as a part time Community Outreach Intern for Special Olympics Florida and the 2022 Special Olympics USA games. In this position, Claudia contributed to the development of the 2022 Games Sustainability plan, which included creating and implementing sustainable sourcing relationships and waste diversion with different partners. In this role, she also contributed to the development of the Orlando bid proposal for 2022 Games Volunteer Program, where Claudia solicited schools and corporations and gained 1,300 volunteer towards the goal of 10,000 volunteers. In her spare time, Claudia likes to bake, bike and read.