About Us

Matt Tormollen

Chief Executive Officer

Mr. Tormollen holds a BS in information systems management from the University of Maryland and post-graduate studies in information technology at The Johns Hopkins University.

Mr. Tormollen leads Ascend with a 25-year track record of building high-performance teams, driving operational excellence, and unlocking value for customers in business-critical SaaS-solution and service companies in the global energy market.  He is a proven leader in creating sustainable growth through product, market, and international expansion, as well as buy-side and sell-side M&A across the energy, fuel, software developer, R&D, and AI & machine learning sectors.

Prior to Ascend, Mr. Tormollen was CEO of POWWR, a global provider of risk management and sales automation solutions to more than 50 retail energy suppliers and 1,000 energy brokers.  He has also been an investor and strategic advisor in climate tech, most notably at carbon capture start-up Earthly Labs.

Gary Dorris, PhD

Founder

Dr. Dorris holds a PhD in applied economics and finance from Cornell University, a BS in mechanical engineering, and a BA in economics with magna cum laude distinction, also from Cornell University.

Dr. Dorris, a pioneer of innovative energy modeling solutions for over 20 years, is the Founder of Ascend Analytics, an industry-leading, 170+ person energy analytics software and consulting company. His work revolutionized modeling power markets to support real-time operations, portfolio management, and resource planning.

Throughout his career, Dr. Dorris has performed independent market assessment to support over $50 billion dollars in project financing and advised multiple boards of directors. Industry leaders consistently turn to Dr. Dorris for expert testimony and executive presentations.  He previously served as the as the lead expert witness for Merrill Lynch in the prominent Enron proceedings in addition to numerous regulatory proceedings.

Prior to founding Ascend, Dr. Dorris served as CEO of e-Acumen, a 60-person energy analytics software firm.

Ari Greenberg

Chief Revenue Officer

Mr. Greenberg leads Ascend Analytics' growth and go to market strategies, including teams in business development, demand generation, and customer success. Mr. Greenberg brings decades of commercial leadership with a proven track record of building and transforming high-performing sales organizations across energy analytics, SaaS, and go-to-market execution globally.

Most recently, Mr. Greenberg served as Vice President of Global Sales at Zema Global, a data integration and analytics firm, where he built a global sales team and helped launch a data-driven GTM strategy to increase ARR and market penetration. Prior roles at Darcy Partners, AlphaSense, and S&P Global highlight Mr. Greenberg’s strength in leading cross-functional teams, forecasting with precision, and cultivating customer-first cultures that deliver sustained growth.

Rushton McGarr

Chief Financial Officer

Mr. McGarr holds an MBA with honors from the Red McCombs School of Business at the University of Texas and a BA in Economics and Political Science from the University of North Carolina.

Mr. McGarr brings over 20 years of operational and financial expertise to Ascend, having scaled multiple PE and VC-backed technology companies in executive roles. He has a proven track record of supporting growth, both organically and through M&A, and has led shared services teams in sectors including consumer products and enterprise solutions.

Before joining Ascend, Mr. McGarr served as CFO of Vitruvi Software, a construction management SaaS platform. Brought in by Bow River Capital after their acquisition in 2023, he restructured costs and enhanced financial transparency with improved reporting and budgeting.

Prior to Vitruvi, Mr. McGarr was the CFO of ColdQuanta, a quantum research and development company backed by Foundry Group, where he helped secure $130 million in equity financing.

Career highlights also include co-founding Market Force Information, a technology-enabled information business that grew to over 500 employees before its acquisition by a private equity firm.

Keith Aubin, PhD

Vice President of Engineering

Dr. Aubin holds MS and PhD degrees in applied physics from Cornell University and a BS in physics and  BS in applied mathematics from the University of Rhode Island.

With academic and work experience in portfolio theory, rocket science, and nano-biotechnology, Dr. Aubin's main interest is in the application of advanced mathematics to complex problems. As Chief Technology Officer, he has lead Full Stack activities for 18 years. Prior to working for Ascend, Keith held a position at MIT Lincoln Laboratory as a system and architecture analyst.

Dr. Aubin has published his work in a number of journals, proceedings, and book chapters. He is also an inventor on several issued or pending patents.

Brent Nelson, PhD

Senior Managing Director of Markets & Strategy

Dr. Nelson holds PhD and MS degrees in mechanical engineering from Georgia Institute of Technology, and BS in mechanical engineering from the University of Berkeley.

Dr. Nelson leads the forecasting practice at Ascend Analytics and provides expertise in new market dynamics, storage and renewable project valuation and strategy, resource planning, and renewable integration.

Prior to joining Ascend, Dr. Nelson was an Associate Professor of Mechanical Engineering at Northern Arizona University, while also holding a collaborative appointment at the National Renewable Energy Laboratory.

Dr. Nelson previously worked for the US Department of Energy from 2014-2016, focusing on research and development strategy for energy efficiency and demand side management.  He has extensive experience in energy technology and energy system modeling, with a focus on understanding the impacts of technological change.

William Hargett

Vice President of Business Development

Mr. Hargett holds an MBA from the IESE Business School and a BS from William & Mary Research University.

Mr. Hargett leads business development for Ascend Analytics' PowerVAL platform.  He has broad experience and a record of accomplishment of success in project and business development within Battery Energy Storage Systems, conventional, and renewable generation systems.

Mr. Hargett has extensive expertise in market strategy and execution, project acquisition and advance M&A, and tenders and competitive bids.  He is also the proud owner of solar projects in Illinois.

Prior to Ascend, Mr. Hargett held senior business development positions at Quanta Services, Abengoa, and Skyfuel, providing EPC and technology services to many of the clients he currently serves at Ascend.  He is also the co-founder of SolarMultiple, an enhanced evaporation technology provider for produced water mitigation, as well as being a second-generation member of Hargett FLP which leases 12MWdc of solar in Illinois with another 60MWdc in pipeline.

Carley Dolch

Managing Director of Energy Risk Solutions

Ms. Dolch earned her BS from Rutgers University

Ms. Dolch is the Managing Director of Energy Risk Solutions, where she leads portfolio management, resource planning, and reliability analysis.

Ms. Dolch brings to Ascend Analytics over 15 years of energy market experience, including optimizing reliability and financial margins, settlements, and bringing to market innovative software analytics that assist companies to best manage increasingly complex market conditions.

Prior to Ascend, Ms. Dolch was a business development leader at Integ Consulting, a leading software firm specializing in generation solutions for utilities.  In her role as Senior Director of Generation Services, Ms. Dolch oversaw asset reliability, the analysis of lost opportunity costs during outages meter data optimization, and launch of a versatile analytics tool.  Her achievements included the expansion into international markets, and the establishment of a substantial market share in the private equity sector.

Shalom Goffri, PhD

VP of Valuation & Portfolio Management

Dr. Goffri holds a PhD in Physics from the University of Cambridge and a BA in Physics from the Israel Institute of Technology.

Dr. Goffri brings extensive expertise in power markets, power asset valuation, procurement strategy, decarbonization, and due diligence to Ascend Analytics. He advises private and public sector clients on clean energy business strategy, technology and market assessments, policy analysis, and M&A. His knowledge spans wholesale markets, community solar, and distributed resources.

Before joining Ascend, Dr. Goffri led the power markets team at Guidehouse's Energy, Sustainability, and Infrastructure practice, focusing on M&A due diligence and strategy projects in renewable energy and energy efficiency technologies. He has developed detailed cost, performance, and financial models for clean energy systems and analyzed the levelized cost of energy across various global regions and technologies.

Dr. Goffri also has a background in research, having worked at the University of Cambridge, UK, and the Massachusetts Institute of Technology.  

Michael Huisenga

Managing Director, Bid Optimization

Mr. Huisenga holds a Master of Science in Mechnical Engineering from the Royal Institute of Technology in Stockholm and a BS in Mechanical Engineering from the University of Iowa.

Mr. Huisenga leads business development and commercial management activities for Ascend Analytics' SmartBidder SaaS specific marketing activities, develops, and executes customer acquisition strategies, supports product positioning with customers and partners, and oversees customer request for proposals.

Prior to joining Ascend Analytics, Mr. Huisenga was a Senior Vice President and Energy District Business Line Leader with WSP USA, a Top 5 ranked design firm by Engineering News Record (ENR), spending 15 years in roles covering sustainability services, renewable energy, and management.

Mr. Huisenga's experience also includes leading Product Strategy for Spruce Power, a Residential Solar & Battery Storage Asset Management firm.

Carlos Blanco, PhD

Managing Director of Risk Management & ESG

Dr. Blanco holds a PhD in finance from Universidad Complutense, Madrid, where he was awarded magna cum laude distinction. He also has a masters degree in investments and international economics from the University of Nebraska, Lincoln.

Dr. Blanco provides expertise to Ascend's clients in the areas of analytic modeling, forecasting, optimization and simulation, while also contributing to advance the software product and services to meet the evolving client needs.

Dr. Blanco is an internationally recognized expert in energy risk management and climate change risk. He works globally with Ascend customers on development of risk management policy and procedures. His expertise in risk management and climate risk has been highly sought after by corporations for training and board presentations. Dr. Blanco has uniquely linked risk policies consistent with renewables and storage and the attributes of Ascend software. Prior to joining Ascend, he was the co-founder and managing director of Black Swan Risk Advisors, where he worked with leading organizations worldwide on a wide range of advisory and education projects. Dr. Blanco has published over 150 articles on a wide range of financial and commodity risk management topics and taught finance at the University of California, Berkeley.

He also served as the former VP of Risk Solutions at Financial Engineering Associates, where he was a member of the Executive Management Committee as well as an essential contributor in the development and client support of financial and energy derivatives pricing and market risk management models.

Adam Hise

Managing Director of Storage Risk Solutions

Mr. Hise  holds an MS in Environmental Science & Engineering from University of North Carolina at Chapel Hill and BS in Biological Systems Engineering from Virginia Tech.

Mr. Hise leads the development and commercialization of insurance-backed revenue risk transfer offerings for clean energy assets.  Mr Hise has successfully grown EnSurance to realize the first insurance backed financing of a merchant storage project.  He leads a team of analysts to develop innovative insurance backed products to advance the energy transition.

Mr. Hise founded and led the EnSurance team at Ascend, developing novel risk shifting products to advance storage and renewable energy deployment.  Prior to Ascend, Mr. Hise held management roles at Scout Clean Energy and provided strategy consulting with emerging renewable tech businesses.   

Leela Gill

Head of Demand Generation

Ms. Gill earned her MBA from Fuqua School of Business, Duke University and her BS in Engineering from University of California, Berkeley.

Ms. Gill leads Ascend Analytics' marketing operations team, helping to further fuel the business's rapid growth.  She is an accomplished full-stack marketing advisor specializing in revenue acceleration for B2B SaaS companies.  Ms. Gill's expertise spans a comprehensive range of key marketing disciplines, including go-to-market strategy, demand generation, brand awareness, field marketing, public relations, and analyst relations.
 
Prior to joining Ascend Analytics, Ms. Gill was Chief Marketing Officer for several high-tech AI-driven Silicon Valley startups where she helped double and triple business revenue year-over-year.

Rahm Orenstein

Managing Director of Ascend Energy Exchange

Mr. Orenstein holds an MBA from Reichman University and a BS degree in Mechanical Engineering from Tel Aviv University.

Mr. Orenstein leads Ascend Energy Exchange – Asset Sales, an analytics-based marketplace that enables Ascend customers to buy and sell high quality energy storage and renewable energy projects in a streamlined and efficient way, wrapped by Ascends’ unique suite of analytical and consulting services, thereby maximizing reach and value.   

Prior to joining Ascend, Mr. Orenstein spent 15 years holding executive positions in the renewable energy industry, including as CEO of Sunflower Sustainable Investment, Ltd (TASE: SNFL), a global developer and IPP of renewable energy and energy storage; VP Business Development – Energy Storage and VP Business Development – Americas, at Ormat Technologies, Inc. (NYSE: ORA), a global developer and IPP of renewable energy and energy storage. Prior to that, Mr. Orenstein spent nine years with ECI Telecom (now Ribbon Communications) in various senior capacities covering product management, business development, and pre-sales engineering.

Dan Burak

VP of Marketing Communications

Mr. Burak holds a BA in Psychology and Economics from Dartmouth College.

Before joining Ascend, Mr. Burak served as Senior Director of Brand and Thought Leadership at Uplight, a clean energy technology company. He led the company's brand strategy, storytelling, and communication efforts.

Prior to Uplight, Mr. Burak spent over 15 years in leadership positions at brand strategy and advertising agencies. He led engagements for clients ranging from early-stage companies to global leaders, revitalizing brands, and launching them from scratch. His client portfolio includes Coca-Cola, Charter Communications, Truly Grass Fed dairy, Purina, Walmart, San-J Intl, McCormick, American Wool Council, and Hamilton Beach, among others.

Earlier in his career, Mr. Burak helped launch new broadband technologies and services into the marketplace at U.S. Robotics and 3Com.

Brandon Mauch, PhD

Senior Managing Director of Operations & Strategy

Dr. Mauch holds a Ph.D. in Engineering and Public Policy from Carnegie Mellon University, a master's degree in mechanical engineering from the University of Wisconsin and a bachelor's degree in mechanical engineering from the University of Kansas.

Dr. Mauch, Senior Managing Director of Operations & Strategy, leads a team of analysts at Ascend in providing modeling support for resources planning and risk management. Since Ascend in 2018, Brandon has led projects on behalf of utilities, project developers, non-profits, and state agencies. He also provides guidance and oversight on Ascend’s develop of PowerSIMM.

Prior to joining Ascend, Dr. Mauch was a Senior Program Manager for CLEAResult Consulting where he managed utility energy efficiency and demand response programs for Midwestern utilities. Before that, he was a Utility Regulation Engineer for the Iowa Utilities Commission where he worked on regional energy policy issues, resource planning and rate cases for Iowa’s investor-owned utilities.

Paul Eory

Director, Utilities & Corporates

Mr. Eory earned his B.B.A. in International Business & Economics from Saginaw Valley State University.

Mr. Eory leads business development in the utilities and corporates sectors, specializing in asset valuation, asset optimization, portfolio management, and long-term planning. His work also includes advising hyperscalers on data center site selection and power supply design to accelerate development and reduce time to market.

Before joining Ascend, Mr. Eory spent ten years at Lansing Board of Water & Light, where he led IRPs, FP&A, rate design, and strategic initiatives at Michigan’s largest municipal utility.

Mr. Eory also served on the Board of the American Public Power Association’s (APPA) Demonstration of Energy & Efficiency Developments (DEED) program, supporting R&D efforts that drive innovation and operational improvements in public utilities.

Sarah Jeffers

Director of People & Culture

Ms. Jeffers holds a Bachelor’s degree in communications from the University of Colorado Denver, and a Professional in Human Resources (PHR) certification from HRCI.

Ms. Jeffers serves as the Director of People and Culture at Ascend Analytics, where she leads the People team in all aspects of Human Resources.

With over 12 years of human resources experience across aerospace, software, and consumer goods industries, Ms. Jeffers brings a broad range of expertise and deep knowledge within the HR function.

Prior to joining Ascend, Ms. Jeffers was a People and Culture Business Partner at Tomorrow.io, an AI-centric software company focused on building resilience to weather-related threats. While there, she supported recruiting, performance management, management coaching, and organizational culture-building efforts. Prior roles also include Director of People & Culture at Broadnet and Head of HR roles at GoldBug and MusclePharm.

At Ascend, Ms. Jeffers focus is on driving employee engagement, optimizing performance, and building high-performing teams in a fast-growth environment.

Michael Fisher, PhD

Managing Director of Valuation Services

Dr. Fisher holds a PhD in energy policy from Carnegie Mellon University and a BS in economics and BAS in systems engineering from the University of Pennsylvania.

Dr. Fisher, PhD leads the PowerVAL team which produces bankable asset valuations and revenue forecaasts for merchant storage.  Dr. Fisher has a deep understanding of the needs of developers and project finance professionals across the project lifecycle.  His doctoral research at Carnegie Mellon explored the technical, economic, and emissions impacts of distributed storage, where he created a battery optimization model that explored how storage behaves when responding to retail and wholesale value streams.

Robert LaFaso

Director of Forecasting & Valuation

Mr. LaFaso holds a B.S. in Energy Systems Engineering from the University of Wyoming and a M.S. in Engineering Management from the Colorado School of Mines.

Mr. LaFaso leads Ascend Analytics’ Market Intelligence (AscendMI) day-to-day practice area, which encompasses the development of long-term supply-stack, market-price, and project-economics forecasts. His work influences Ascend's software suite, as AscendMI forecasts drive the analytics behind PowerSIMM and PowerVAL. Mr. LaFaso conducted the Valuation Due Diligence for significant M&A transactions, including the multi-gigawatt portfolios behind TerraGen’s sale to Masdar and Origis Energy’s sale to Antin Infrastructure Partners.

Paul Saferstein

Senior Advisor, Data Centers

Mr. Saferstein earned an MBA from the NYU Stern School of Business and a Bachelor's from Cornell University.

Mr. Saferstein, CFA has over 25 years of experience as a data center, telecom, and utilities investor at Alliance Bernstein, Morgan Stanley, ACQ, and other hedge funds. Most recently, Mr. Saferstein was a contract Chief Strategy Officer for Standard Power, where he spearheaded its AI hyperscale data center strategy. Previously, Mr. Saferstein was a portfolio manager at First New York, where he focused on global capital markets and digital infrastructure, utilities, and crypto industries.