Rho Impact Logo

We Bridge the Art and Science of Impact

Our team brings together software engineers, data scientists, methodology developers, and boots-on-the-ground experience to address key barriers to our sustainable future.

About us

Meet the Rho Impact Team

Gilman Callsen

Gilman Callsen

CEO & Founder
Gilman is the CEO of Rho Impact and Founder CEO/CTO of Rho Impact's predecessor, Pit Rho (acquired by GM). With over 15 years of experience building and scaling technology companies, Gilman has been influential in integrating data science, software engineering, and cloud infrastructure to help organizations solve the world's most complex challenges.
Prior to founding Pit Rho (acquired by GM), Gilman co-founded MC10 (acquired by Medidata), which developed stretchable, flexible electronics primarily for medical applications. Before MC10, he founded his first company while in college, licensing electrochromic polymer technology for applications in improving building energy efficiency. Gilman holds a BA in Psychology from Yale University.
Seth Sheldon, PhD

Seth Sheldon, PhD

CSO & Founder
Seth is the Chief Scientific Officer at Rho Impact and the former Director of Impact Analytics at Rho Impact's predecessor, Pit Rho / Rho AI. Seth was central to the methodology and scientific development of the CRANE tool - an open-source software tool for assessing the carbon reduction potential of emerging technologies and ventures.
With over 15 years' experience in environmental science and impact analytics, Seth was the Technical Director for Greenometry and the Environmental Data Lead for Lux Analytics Services Group. His work has been featured in Popular Science, the Wall Street Journal, the Los Angeles Times, Fortune, Fast Company, Greentech Media, E&E News, and Circle of Blue, among others. Seth holds a PhD in Environmental Science from the University of Massachusetts - Boston and holds a BS in Earth & Ocean Sciences from Duke University.
Noah Miller

Noah Miller

CAO & Founder
Noah is the Chief Advisory Officer and Head of ESG Advisory Services at Rho Impact. With over a decade of ESG consulting experience, Noah has held multiple leadership roles including Senior Director for Summit Strategy Group's ESG Consulting Services practice and serving as interim ESG Director for multiple public and private companies.
A recognized thought-leader in the ESG space, Noah has been influential at building ESG capacity at the industry level, having led the curriculum development for multiple industry-specific ESG certification programs. Noah holds an MBA in Sustainable Innovation and a BA in Community Development & Applied Economics (CDAE) from the University of Vermont. Noah also holds an MS in Mediation & Applied Conflict Studies from Champlain College. Noah also served as a commander in the Israeli Army.
Cassie Borish, PhD

Cassie Borish, PhD

Director of Data Science & Founder
Cassie leads the data science team at Rho Impact where she integrates the lastest innovations in AI/ML to further our products, services, and research initiatives. Previously, she helped lead the technical development of the CRANE tool.
With nearly a decade of experience, Cassie was a graduate student researcher and teaching assistant at University of South California (USC). While at USC, Cassie received a PhD and MS in Biomedical Engineering as well as an MS in Electrical Engineering. Cassie also completed her BS in Engineering at Harvey Mudd College.
Amber Gold, PhD

Amber Gold, PhD

Director Of Products & Founder
Amber is the Director of Products at Rho Impact and has experience in engineering and human factors. She helps manage and support the development of the CRANE tool, and leads the product and technical development of Rho Impact's products.
With nearly a decade of data science experience, Amber has held roles that include serving as a Senior Human Factors Scientist at Exponent, a graduate researcher at Sanger Lab, and a teaching assistant at University of Southern California (USC). While at USC, Amber received a PhD and MS in Biomedical Engineering, in addition to completing her MS in Electrical Engineering. Amber also holds a BS in Biomedical Engineering from Arizona State University.
Esther Bobbin

Esther Bobbin

Director of Operations
Esther oversees Rho Impact's operational activities, bringing over 15 years of experience cross-cutting international management consulting, enterprise systems integration, and natural language processing AI.
Esther is also committed to agricultural industry social justice reform and has led the charge as the executive director of a global non-profit.
Aurora Ginzburg, PhD

Aurora Ginzburg, PhD

Principal Scientist
Aurora is a Principal Scientist at Rho Impact and focuses on developing IMM practice. Drawing on her background in Green Chemistry and Systems Thinking, she designs impact assessment and data transformation methodologies that are transparent and actionable.
Aurora has extensive experience in sustainable chemical and material research and applies this technical expertise to analyze complex processes and identify leverage points. She is passionate about empowering clients to effect meaningful change with data-driven insights. Aurora has 10 years of experience working in various scientific roles, primarily within the ACS Green Chemistry Institute and the University of Oregon. She received her PhD and MS in Chemistry from the University of Oregon and a BS in Chemistry from California State University Channel Islands.
Xander Rothaus

Xander Rothaus

Fractional CMO
Xander leads Rho Impact’s marketing and communications in his role as Rho Impact’s Fractional CMO. His breadth of experience as an entrepreneur, technologist, and leader of consumer products companies are helping to bring Rho Impact’s products and services to the market.
In addition to his role at Rho Impact, Xander is also the CEO of Mounia Haircare products, a cruelty-free, vegan, and color-safe hair care line made from organic ingredients. With a passion for sustainable and ethical business practices, Xander has led Mounia to become a leader in the natural hair care industry. Under his leadership, the brand has gained a loyal following of customers who appreciate the high-quality, eco-friendly products that Mounia offers.
Robert Mains

Robert Mains

Senior Advisor in Residence
Robert joins Rho Impact following his tenure as the CEO of Ecofitt Corp, a Canadian energy efficiency provider acquired by CLEAResult. With over 20 years of experience in sustainability consulting, Rob has held senior advisory positions at the Summerhill Group, RAM Environmental Group, the Clean Foundation, and more.
Robert holds an MBA from Saint Mary's University, a Master of Resource and Environmental Management from Dalhousie University, and a BS in Geological Sciences from Queen's University. Robert also holds certifications in ESG from the Corporate Finance Institute and Indigenous Stakeholder Engagement from Indigenous Awareness Canada.
Emma Kast

Emma Kast

Senior Research Fellow
Emma is a Senior Research Fellow at Rho Impact, providing research and project support for impact forecasting model development and technology solutions.
Emma has 10 years of research experience in the field of Earth Sciences, with a focus on climate, geochemistry, and oceanography. Most recently, Emma was a Research Fellow at the University of Cambridge in the UK. She has a PhD and MS in Geosciences from Princeton University and a BS in Chemistry and Physics from Hofstra University.
Peregrine Painter

Peregrine Painter

Technology Impact Consultant
Peregrine is a Technology Impact Consultant at Rho Impact. He has extensive experience in data analysis, with an emphasis on machine learning and model development, as well as science communication.
These skills come together to create flexible and innovative solutions interpretable across disciplines. Peregrine has a BS in Biochemistry from the University of Oregon and is currently a Pathology Fellow at West Virginia University.
Tyler Martin

Tyler Martin

Fractional CFO
Tyler Martin is Rho Impact's Fractional CFO, a role he has held for over a decade with the company's predecessor. With a Ph.D. in Chemical Engineering from MIT and expertise in startup financing, Tyler has been instrumental to Rho Impact's growth.

Our Investors

Virginia Venture Partners
Charlottesville Angel Network
Preston-Werner Ventures
3rd Creek Ventures

Meet Some of Our Incredible Researchers & Fellows

We are a team of researchers, engineers, and practitioners passionate about addressing climate change. We are fortunate to work with and educate the next generation of climate leaders, many of whom you will see below.

Rajesh Hegde

Research Fellow

Maria Teresa Varela

UVA Research Intern

Perry Francois-Edwards

Research Fellow

Patrick Gibson

Research Fellow

Evan Smith

Research Intern

Anna Jett

UVA Research Intern

Hasan Roshan

Research Fellow

Paul Grimshaw

Research Fellow

Oumaima Ben Amor

Research Fellow

Joseph Liberatore

UVA Research Intern

Peregrine Painter

Research Fellow

Hannah Bernstein

Research Fellow

Rajeev Kotha

Research Fellow

Benjamin McDowell

Research Fellow

Veslemoy Klavenes

Research Fellow

Tobi Olabode

Impact Accounting Intern

Sylvie Arques

Research Fellow

Holly Smith

Research Fellow

Zachary Thomas

Research Fellow

Emily Barker

UVA Research Intern

Emily Prebihalo

Research Fellow

Alice Chhikara

Research Fellow

Jon Schroeder

Research Fellow

Elham Ali

Research Fellow

Want to be part of the journey?

We are always open to talk to great people who want to help us shape the future of work, and we have job openings all over the world.