Your External Sustainability Office
Our team of sustainability experts combine diverse expertise with innovative strategies to deliver impactful solutions for your business.
Sustainable Value Creators
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Jennie Block
PRINCIPAL CONSULTANT
Jennie is a visionary in sustainable business, blending engineering expertise with data-driven strategies. She has helped SaaS, marketing, and fashion sectors exceed sustainability goals through life cycle assessments and carbon accounting. At Sonos, she drove $29M in revenue growth by accelerating timelines and boosting margins. An MIT-trained engineer and Certified Life Cycle Assessment (LCA) Professional, Jennie delivers impactful solutions with a results-driven approach.
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Christina Fontanesi
PRINCIPAL CONSULTANT
Christina is a sustainability expert with extensive experience across industries, including consumer goods, fashion, and construction. She specializes in product innovation, circular solutions, and supply chain optimization. A LEED Green Associate with a Master’s in Sustainability from Harvard, she led Detox Babe to secure partnerships with Target and Saks Fifth Avenue through sustainability initiatives. Christina has also delivered impactful projects with National Geographic and IBM, merging innovation with measurable environmental progress.
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Mark Duffy
PRACTICE LEADER
Mark is a sustainability and investment strategist with over a decade of experience analyzing corporate sustainability metrics and forging partnerships with major institutions. As the founder of Lumora Consulting, he combines deep expertise in finance, accounting, and business development with top credentials, including the CFA charter and IFRS FSA certification. -
Silver Enyinnia
LEAD CONSULTANT
Silver is a forward-thinking energy and sustainability leader driving decarbonization strategies at Sumitomo Corporation of America. With Lean Six Sigma certification, a master’s in engineering, and an MBA in progress at Rice University, he has led projects like the U.S.’s first ammonia bunkering supply chain and optimized operations at Chevron to accelerate the energy transition. -
Rodel Urmatan
LEAD CONSULTANT
Rodel is a global sustainability strategist with 15+ years of experience aligning corporate goals with international standards like SASB and TCFD. With credentials such as LEED AP, Certified Energy Manager (CEM) and PRINCE2, and degrees from the University of the Philippines and Far Eastern University, he has shaped EV strategies and sustainability initiatives for organizations like the United Nations, Waste Management, and NRG Energy. -
Marc Evenst Jn Jacques
SENIOR CONSULTANT
Marc is a multilingual expert in carbon accounting and sustainability strategy, blending technical precision with cultural insight. Armed with credentials in Life Cycle Analysis and Lean Six Sigma, and degrees from Ecole Polytechnique and the University of Florida, he has driven carbon reductions at SBA Communications and delivered transformative energy solutions at ENGIE and the World Bank.
Strategic Enablement Team
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Libert Niyonkuru
CLIMATE ANALYTICS CONSULTANT
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Sophia Mei
GRADUATE INTERN
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Sistine Noel
UNDERGRADUATE INTERN
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Seung Jae Baek
SOFTWARE CONSULTANT
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Andrew Gregware
SOFTWARE CONSULTANT