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The pace of structural change in the power sector has accelerated—driven by surging load growth, datacenter demand, market volatility, and the need for clean, reliable, and cost-effective electricity. The Ascend Summit 2025 convenes over 350+ industry leaders to explore how to create long-term value and resilience in a rapidly evolving energy development and procurement landscape.
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Gary Dorris brings over two decades of leadership in energy analytics and is the founder of Ascend Analytics, a 170+ person software and consulting firm driving innovation in power market modeling. His work has reshaped approaches to real-time operations, portfolio optimization, and long-term planning. Gary has advised on more than $50 billion in energy financing and frequently provides expert testimony and board-level insights. He previously served as the lead expert witness for Merrill Lynch in the Enron proceedings and has supported regulatory cases across the industry.
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As Chief Revenue Officer at Ascend Analytics, Ari Greenberg leads the company’s commercial strategy, aligning sales, marketing, and customer success, helping clients maximize value from Ascend’s product ecosystem. With over two decades of leadership in SaaS and clean energy data solutions, including roles at Zema Global, Darcy Partners, AlphaSense, and S&P Global, Ari helps developers, utilities, and investors improve portfolio optimization, strengthen risk management, and accelerate success in dynamic power markets.
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Jonah Simon applies his extensive expertise in ISO Market Forecasting and Battery Energy Storage Systems (BESS) dispatch optimization to oversee and ensure the successful deployment of the Ascend Analytics PowerVAL and the SmartBidder products.
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Travis Yee is an Account Manager at Ascend Analytics, leveraging over a decade of experience in energy markets and trading to strengthen client partnerships and drive portfolio growth. With a background in natural gas trading and research, Travis combines commercial acumen with analytical depth to support customers navigating complex power and commodity markets. He holds a Master’s in International Political Economy of Resources from the Colorado School of Mines.
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Dan Sapien is a Senior Account Manager with over a decade of experience leading customer success and enterprise account management. He has built strategic partnerships across energy, finance, and technology sectors through leadership roles at Schneider Electric, Cognizant/American Express, and Sisense. Passionate about energy and sustainability, Dan delivers value-driven outcomes that solve complex challenges and advance client initiatives for long-term growth.
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Will Edwards serves as Senior Account Manager at Ascend Analytics, helping energy developers, investors, and utilities harness data-driven insights through PowerVAL, PowerSIMM, and SmartBidder. With expertise in clean energy markets, M&A, and PPA strategy, Will bridges analytics and customer success to accelerate the energy transition. He holds an MBA in Strategic Management and a B.S. in Business Management from Baker University, combining strategic thinking with a passion for collaboration and innovation.
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William Hargett leads business development for Ascend Analytics' Consulting and Advisory practice, a platform which provides developers, investors, and utilities with bankable wholesale and retail price forecasts for their project financings in addition to special use-case model activities. William has extensive expertise in market strategy, project execution, Mergers & Acquisitions, and tenders and competitive bids.
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Michael Huisenga oversees business development for Ascend’s Bid Optimization platform, SmartBidder, supporting client engagement, go-to-market planning, and RFP processes. His experience spans two decades, including 15 years at WSP USA, where he served as SVP and Energy Business Line Leader, guiding sustainability, clean energy, and infrastructure initiatives for global clients.
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Rahm Orenstein leads Ascend Energy Exchange – Asset Sales, an analytics-driven marketplace that connects buyers and sellers of high-quality energy storage and renewable projects. By integrating Ascend’s advanced analytics and consulting expertise, he helps utilities, developers, and investors streamline transactions, expand market reach, and maximize asset value. With over 15 years in renewable energy leadership, he brings deep experience in project development, energy storage, and strategic market growth across global energy markets.
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Erik Schwartz partners with financial institutions to identify opportunities and maximize return on investment. With over two decades in energy market leadership, he has driven business development, account growth, and strategic communications at firms including Refinitiv, Energy Ventures Analysis, Genscape, and Point Carbon. His expertise in market intelligence and customer engagement helps stakeholders capture value and navigate today’s complex energy landscape.
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Erin Vasseur leads business development, delivering regulatory-accepted price forecasts that support investment-grade decisions for developers, investors, and utilities. By applying advanced dispatch simulations to specific customer use cases, she enables accurate project valuation in evolving markets. With extensive experience in renewable energy and power, she bridges technical insights with commercial needs to drive clean energy deployment and strategic planning in a rapidly transitioning energy landscape.
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Ferdinand Rapant runs business development and commercial management activities for Ascend Analytics' SmartBidder, the leading energy bid optimization and scheduling platform for standalone, co-located, or hybrid renewable energy and storage projects. Fred has 19 years of focused renewable and conventional energy experience in commercial and product management roles, almost exclusively in North American markets. These roles have included various senior leadership, sales, marketing and product management roles at GE and multiple energy management startups focused on market strategy / optimization for energy storage assets.
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Carley Dolch, Managing Director of Energy Risk, drives portfolio optimization, resource planning, and reliability strategies that boost margins and mitigate risk. She has led the launch of advanced analytics tools that empower utilities, developers, and investors to navigate volatile markets, enhance asset performance, and capture new revenue opportunities.
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Paul Eory leads business development for utilities and corporates at Ascend Analytics, helping organizations apply advanced energy analytics for asset valuation, portfolio optimization, and long-term resource planning. He also advises hyperscalers on data-center site selection and clean power strategy to accelerate development and reduce time to market. Before joining Ascend, Paul spent a decade at Lansing Board of Water & Light, leading IRPs, FP&A, rate design, and strategic planning, and served on the APPA DEED Board, advancing innovation and operational excellence in public power utilities.
Book MeetingThe Ascend Energy Exchange, the industry’s market-leading M&A advisory platform leveraging the deepest pool of qualified buyers and sellers, combines bankable asset valuations with complementary portfolio management & risk mitigation solutions. Explore current M&A trends, market comps, buyer priorities, and opportunities to acquire pre-qualified assets across ERCOT, MISO, SPP, ISO-NE, and other regions. Book a meeting with Rahm Orenstein to learn more.
Ascend Analytics is the leading provider of market intelligence and analytics solutions for the power industry. The company’s offerings enable decision makers in power supply, procurement, and investment markets to plan, operate, monetize, and manage risk across any energy asset portfolio. From real-time to 30-year horizons, their forecasts and insights are at the foundation of over $50 billion in project financing assessments. Ascend provides energy market stakeholders with the clarity and confidence to successfully navigate the rapidly shifting energy landscape.
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