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.

Meet the Rho Impact Team

Team member 01

Gilman Callsen

CEO & Founder

Gilman is the CEO of Rho Impact and a founder and the former CTO of Rho Impact’s predecessor, 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 Rho AI, Gilman co-founded MC10 (acquired by Medidata), which developed stretachable, 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 from Yale University and has guest lectured at Columbia University where he explores the intersection of software engineering and data science when applied to real-world applications.

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

Chief Strategist & Founder

Noah is the Chief Strategist and Head of ESG Advisory Services at Rho Impact. With over a decade of ESG consulting experience, Noah has held multiple leadership roles in the ESG space– including serving as the Senior Director for Summit Strategy Group’s ESG Consulting Services practice and serving as the 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 newest product, ESGProgram.io.

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 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 09

Santiago Roig

Director of Engineering & Founder

Santiago is a Senior DevOps Engineer at Rho Impact and has over 5 years’ experience in architecting software applications to meet customer specifications.

Prior to joining Rho AI, Santiago was a software engineer at Up-Rev Inc., a research assistant at Florida Institute of Technology, and supported several other organizations as a software consultant. Santiago holds an MS in Computer Science and a BS in Software Engineering from the Florida Institute of Technology.

Team member 08

Josh Browne, PhD

Senior Advisor & Founder

Josh is a Founder of Rho Impacts predecessor Rho AI, and currently serves as Co-founder and Chief Technology officer at Obantarla, a venture-capital backed new company focused on Greenhouse Gas (GHG) mitigation.

A former NASCAR crew chief and race engineer, Josh was instrumental in the creation of Pit Rho, Rho AI’s real-time racing strategy software. Josh is an adjunct professor in Columbia University’s Department of Mechanical Engineering. Josh holds a PhD in Earth & Environmental Engineering and an MS in Climate & Society from Columbia University. Josh also has completed his MS in Mechanical Engineering from Oakland University and his BS in Mechanical Engineering from Carnegie Mellon University.

Team member 07

Tyler Petroske

Senior Software Engineer

Tyler is a Senior Software Engineer at Rho Impact and played a critical role on Pit Rho, the real-time racing strategy software used by NASCAR and developed at Rho Impact’s predecessor, Rho AI.

With over 5 years’ experience in software engineering, Tyler was a senior associate in software engineering at Harris Corporation. Tyler holds a BS in Software Engineering from the Florida Institute of Technology.

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 10

Jason Nachamie

ESG Advisor

Jason is an ESG Advisory and Business Development Lead at Rho Impact. Jason has several years’ experience in ESG consulting, SaaS start-ups, and account management.

Having held roles that include Director of Learning and Lead Analyst for the Catamount Innovation Fund as well as a customer success manager for Wonder (AskWonder.com). Jason holds an MBA in Sustainable Innovation and a BA in Community Entrepreneurship from the University of Vermont.

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.

Team member 13

Esther Bobbin

Office of the CEO - Business 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.

Team member 13

Tobi Olaboden

Data Science Intern

Tobi is a data scientist using data to help clients make more sustainable decisions. Tobi’s work focuses on ESG data analysis and reporting. In this role, Tobi is responsible for conducting research, and managing data that help Rho Impact’s clients make informed decisions about their ESG initiatives.

With 5+ years of programming experience and a background in computer science, Tobi is also experienced in machine learning and data analysis.