We bridge the art and science of impact through decades of experience

The Rho Impact team brings together strong software and data engineering along with boots-on-the-ground implementation experience to address the key barriers that exist in impact planning, tracking, and reporting. Whether it be ESG, Net Zero, or your corporate impact strategy, we help organizations translate impact aspirations into action and results.

About us

Meet the Rho Impact Team

Team member 01

Gilman Callsen

CEO & Founder

Gilman is the CEO of Rho Impact and Founder and former CEO of Rho Impact's predecessor, Pit Rho / Rho AI. 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.

Team member 02

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, Rho AI. Seth was influential in 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.

Team member 03

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.

Team member 04

Cassie Borish, PhD

Director of Data Science & Founder

Cassie leads the data science team at Rho Impact. She helped lead the technical development of the CRANE tool, as well as Rho Impact's Document Discovery 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.

Team member 05

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 helped manage and support the development of the CRANE tool, and currently leads the technical development of Rho Impact's data platforms.

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.

Team member 13

Esther Bobbin

Director of Operations

Esther oversees Rho Impact's operational activities at every level of the organization. With over 15 years of experience that cross-cut international management consulting, enterprise systems integration, and natural language processing AI. She is also committed to agricultural industry social justice reform and has led the charge as the executive director of a global non-profit.

Xander Rothaus Profile

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.

Team member 06

Aral Tasher

Senior User Experience Engineer

Aral is a Senior User Experience Engineer at Rho Impact and designed and executed the user experience component of the CRANE tool – an open-source software tool for assessing the carbon reduction potential of emerging technologies and ventures – while at Rho Impact's predecessor, Rho AI.

Prior to Rho Impact, Aral held user experience, research, and quality assurance roles at companies such as Philips, Novel Engineering, and the Harris Institute for Assured Information. Aral holds an MS in Information Assurance & Cyber Security and a BS in Software Engineering from the Florida Institute of Technology. Aral is also a NN/g Nielsen Norman Group certified User Experience Reseacher.

Team member 07

James Midkiff

Senior ESG Advisor

James is a Senior Technical Advisor at Rho Impact. He has a diverse background in ESG, disclosure frameworks, resource stewardship, environmental remediation, R&D, chemistry, data analysis, financial modeling, and consulting with over a decade of experience in the energy industry.

James’ prior experience serving as a Senior ESG Analyst for a data center developer, a Research Scientist and Director of Field Engineering for an oilfield water treatment company, a Senior Technical Specialist developing new products for an oilfield completion fluid and water management company, and an R&D Consultant for a nationwide tax consulting firm. James received an MS in Biology from Texas A&M University, completing his thesis under a Howard Hughes Medical Association laboratory. James also holds a BS in Molecular Cell Biology from Texas A&M University.

Team member 11

Gal Shargil-Yaari

Senior ESG Advisor

Gal is a Senior ESG Advisor at Rho Impact. She has a diverse background in ESG, corporate governance and litigation, regulatory standards and disclosure frameworks, with deep experience across the public, private, and non-profit sectors.

Gal's prior experiences include serving as an ESG research assistant at Columbia University, a regional manager for the Israeli American council, a legal associate in a top Israeli law firm, as well as being the co-founder and former president of Ladies Circle, an Israel-based NGO focused on women empowerment and economic inclusion. Gal also served as a commander in the Israeli Air Force. Gal holds a Master of Law, with a focus on ESG, from Columbia University. Gal also was the founder and president of Columbia's Corporate Responsibility Association. Additional education includes an MA in International Affairs and CSR from Tufts University and a BA in Government from Reichman University (Israel).

Team member 13

Aurora Ginzburg, PhD

Lead Scientist

Aurora is a Lead 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.

Team member 13

Katia Carrady

ESG Analyst

Katia is an ESG analyst at Rho Impact, supporting clients at the intersection of ESG, management, and international relations. Born and raised in Puerto Rico, Katia brings unique international experience and joins the Rho Impact team after recently completing her Masters in Management and Bachelors in International Relations and Sustainability from the University of Michigan.

While in school, Katia was a leader in the Michigan chapter of Tamid Group, where she delivered student-led consulting projects for various Israeli companies and investment funds. Katia also participated in several other ESG initiatives while in school, including the International Relations Career Challenge and the Fair Labor Association's Student Committee.

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.

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.