Team

Who are we?

We’re a dynamic team led by veteran B2B event producers who recognize that civilization is at risk of ending due to climate change. We also clearly see that the solutions are BUSINESS DRIVEN.

  • Cierra Ralph
    Cierra Ralph
    Intern
  • Kaleb Nation
    Kaleb Nation
    Digital Director
  • Jason Youner
    Jason Youner
    Founder & CEO
  • Diego Ramos
    Diego Ramos
    Director, Research and Business Development
  • Denise Tubino
    Denise Tubino
    Director of Research, CSR Advisor
  • Marissa Rosen
    Marissa Rosen
    Senior Advisor
  • Jennifer Jombier
    Jennifer Jombier
    Director of Business Development
  • Lora Mattia
    Lora Mattia
    Research Manager
  • Jesse Rittenhouse
    Jesse Rittenhouse
    Senior Director, Business Development
  • Chris Allieri
    Chris Allieri
    Senior Advisor, Marketing and Communications; Founder & Principal, Mulberry & Astor
  • Greg Hamra
    Greg Hamra
    VP Communications
Cierra Ralph
Intern

Cierra has her bachelors degree in marketing and international business and is pursuing a career in sustainable business. She aspires to be a changemaker, and to have a positive impact on the world in her lifetime. This past year, Cierra became a Bard College C2C Fellow Sustainability Leader – a nationwide program focused on connecting individuals pursuing careers in sustainable business, politics, and policy. Her real passion lies in environmental issues, developing transparent, sustainable corporations and food systems. In the near future, Cierra plans on getting her MBA in Sustainable Innovation, with hopes of changing the game of business.

Kaleb Nation
Digital Director

Hi, my name is Kaleb Nation. I am unique in that I put my clients first. Meeting the needs of my client is my priority. My wide variety of skills and punctual attitude allow me to handle a diverse set of projects. I am distinctly creative producing design outcomes that achieve market success and increase brand visibility. I am focused on helping CvCC go to the next level by reaching new attendees and curating growth with past event attendees.

 

Jason Youner
Founder & CEO

Jason has been producing conferences and events for 20 years.  He has worked in many industries including non profit, technology, healthcare and life sciences. He has always enjoyed the creative process of putting together an impactful event.

Jason is also a long time writer, actor and comedian, performing around New York and New Jersey.  He is thrilled to be fulfilling his dream of organizing a conference that explores the massive business and human race saving opportunities that exist in the battle against climate change.

Diego Ramos
Director, Research and Business Development

Diego Ramos is a Sustainability Specialist, Bachelor of Environmental Management (USP), MBA focused on Sustainability Management (FGV), specializations of Business and Environment in USA (VCU), Germany (GIZ, AvH) and several related courses. He is an experienced Sustainability Professional since 2008, having worked with consulting firms, companies, governments, and NGOs. As a researcher, he has worked in institutes in Germany, USA, and Brazil. Since 2015, Diego has been Director, Research, and Business Development at Companies Vs Climate Change, coordinating research and development of our audience, speakers, and sponsors for CvCC events in US and Europe.

Denise Tubino
Director of Research, CSR Advisor

Denise has worked for top Environmental Consulting firms (Environmental Resources Management (ERM) and Golder Associates) having been involved in dozens of projects in namely the Energy and Mining sectors. Clients have included Vale, Anglo-American as well as multilateral organizations such as the World Bank and InterAmerican Bank for Development (IDB). Her expertise includes Corporate Social Responsibility (CSR), Environmental, Social and Health Impact Assessments (ESHIA), Social Baseline Surveys, Social Auditing, Compliance of Equator Principles, IFC Performance Standards & ICMM, Stakeholder Mapping, Consultation & Engagement and Community Development.

Through the Climate Reality Project, Denise was trained by former U.S. Vice President Al Gore, during The Climate Reality Leadership Corps in 2015. Since this training, Denise has increasingly been involved in several Climate Change initiatives in Miami that address Sea Level Rise and other pressing Climate Change impacts through mitigation and adaptation strategies.

Denise holds a BSc. in Environmental Science and a Masters in Rural Planning and Development from the University of Guelph, Ontario, Canada. She speaks 4 languages (English, Spanish, Portuguese and French) and has lived in 6 different countries across North, Central and South America.

Marissa Rosen
Senior Advisor

Marissa Rosen is a strategic sustainability communications consultant; owner and manager of Climate Social, LLC. Within her niche in new media, she designs and implements social media and website strategies to build compelling brands, engaged networks, and business communities that proactively create positive impact.

After a career of developing and executing marketing strategies for roles in higher education, consulting, and online business publications, Marissa launched Climate Social in 2015.

Marissa has earned a B.A. in Communications from the University of Missouri, and a Masters in Environmental Studies with a concentration in Advocacy and Education from the University of Pennsylvania.

Jennifer Jombier
Director of Business Development

An American based in France, Jennifer Jomier is a corporate responsibility and sustainability consultant with a special focus on international development and social impact. Jen has spent over ten years designing and implementing powerful programs, engaging events, and creative communications across a variety of organizational functions. Her experience spans the public, private, nonprofit, and international organization sectors, and she most enjoys building dynamic partnerships that leverage each sector’s strengths for maximum impact.

Jen completed her Masters in Public Affairs magna cum laude at Sciences Po Paris (France) and has a Credential of Readiness certificate from Harvard Business School – HBX (USA) and a BA in Public Policy with honors from the University of North Carolina at Chapel Hill (USA).

Lora Mattia
Research Manager

Lora is a dedicated and focused Research Manager who excels at prioritizing, completing multiple tasks simultaneously and following through to achieve project goals.

Experiences are varied and include customer service, bookkeeping and data entry; excellent proficiency with a variety of computer programs. Lora focuses on data entry, reconciliations, marketing projects, social outreach via internet resources, etc.

Jesse Rittenhouse
Senior Director, Business Development

Jesse Rittenhouse is a seasoned business development professional, with years of experience in conference and event development. He believes in being socially responsible in business and that means concerning ourselves with the people and the planet, as well as profit, to be truly sustainable. Jesse has joined Companies Vs Climate Change to help businesses come together and share in solutions and adaptations for climate change.

Over the years, Jesse has helped to create the first fully-permitted biodiesel factory in Miami, became a leading recycling and solid waste industry expert, and founded the Recycling Energy Forum in 2015. He has produced, planned, and developed sponsorships for many sustainability-driven conferences, events, and talks over the years and brings this knowledge and experience to CvCC. He currently runs REF, a marketing agency focused on helping sustainable businesses. In addition, he voluntarily leads several environmental nonprofits as a member of the Board of Directors with Dream In Green, Marketing & Promotions Director for USGBC Miami Branch, and South Florida University Ambassador for Net Impact. Through his training as a Climate Reality Leader and through first-hand views of sea level rise in Miami, Jesse knows that climate change is a global issue that we must find solutions to for mitigation and adaptation.

Chris Allieri
Senior Advisor, Marketing and Communications; Founder & Principal, Mulberry & Astor

Chris Allieri is founder and principal of Mulberry & Astor, a New York- based consultancy focused on delivering high-quality, integrated marketing and public relations programs for early stage companies, individuals, established businesses and non profits alike.

Chris has twenty years of diverse marketing & communications experience across multiple sectors. Prior to launching his own firm, Chris served as the chief communications & marketing executive at Edelman, the world’s largest PR company. Chris was also director of digital, corporate and internal communications at Univision, the U.S. Hispanic media company. He created and executed new technology product and network launches, social and digital media programs and cross-industry partnerships with Netflix, Hulu, Twitter, T-Mobile and the Clinton Foundation.

Prior to Univision, Chris led corporate communications in North America for Accenture’s management consulting practice, as well as its sustainability, digital strategy and risk management business lines globally. He was also director at Grayling, the public relations and public affairs firm, where his clients included the truth Campaign, The Coca-Cola Company and Toyota. Prior to that, Chris was director of communications for MOUSE, a national non-profit organization integrating technology in public schools. Additionally, Chris led community affairs and the corporate foundation for StarMedia Network, the Spanish and Portuguese-language internet company.

Chris serves on the board of directors of Farm Sanctuary and The Trevor Project, where he is currently vice chair. Chris received his BA with honors in environmental studies and Latin American studies from the University of Colorado at Boulder, and his MA in international affairs from Columbia University.

Greg Hamra
VP Communications

Climate Solutionist driving the low-carbon economy, bridging the partisan divide for a more stable climate through education and advocacy.

Three decades’ experience educating and empowering leaders to make more informed policy and business decisions aligned with the triple-bottom-line. Leader, Miami Chapter, Citizens Climate Lobby Adjunct Faculty Member, University of Miami School of Architecture

Topics: Speaking & Presentation Skills, Corporate Sustainability, Green Building Principles, LEED (thousands trained on five continents), Climate Literacy, Natural Capital and GHG accounting principles, Building Science, Biophilic Design, Active Design, Sustainable Development, Train-the-Trainer, Voice Talent, Technology Training (past). Guest lecturer at area universities, non-profits, professional organizations, and trade shows on issues at the nexus of business, society, and environment.