Jake Oster is dedicated to promoting, advancing and scaling clean energy and decarbonizing the power sector. He currently leads the Amazon sustainability policy team for Amazon, working with policymakers to address climate change and expand access to clean energy. Prior to joining Amazon, Jake worked as the Senior Director for Regulatory and Government Affairs for EnergySavvy, a Seattle-based clean tech company. At EnergySavvy, he crafted and secured new policy changes to modernize the measurement of energy efficiency savings. He also served as the Deputy Chief of Staff and Legislative Director for Representative Peter Welch (VT) and oversaw the Congressman’s work on the House Energy and Commerce Committee. Jake received a BA from the University of Vermont.

Laura Beane joined Vestas as the President of North America in June 2021 and is dedicated to advancing renewable energy through sustainable, collaborative, and just solutions. Before joining Vestas, she served as the Chief Renewables Officer for ENGIE North America, overseeing the integration of acquired wind, solar, and storage companies. Previously, she held the role of President & CEO of Avangrid Renewables, where she worked for over 20 years in various positions related to operations, regulation, policy, and compliance. Laura has a Master of Global Energy Management from the University of Comillas and an MBA from the University of Strathclyde. Laura also holds board positions and executive committee memberships in organizations such as The Climate Trust and the American Clean Power Association.

Krista Tanner is President, ITC Holdings Corp. In this role, she oversees the overall business operations of ITC and its subsidiaries. Prior to this role, Ms. Tanner served as ITC’s Chief Business Officer. She joined ITC in 2014 as the President of ITC Midwest.   Ms. Tanner came to ITC from Alliant Energy, where she served as Director of Regulatory Policy. While at Alliant, she directed the company’s regional and federal regulatory policy group and led the company’s legal strategy across regulatory jurisdictions. Prior to, she served as a state public utility regulator of the Iowa Utilities Board (IUB) under the appointment by Gov. Chet Culver. At the IUB, she provided leadership in strategic planning, policy issues and organizational performance. Earlier in her career, Ms. Tanner was an Associate Attorney and shareholder at Dickinson, Mackaman, Tyler & Hagen, P.C.  Ms. Tanner currently serves on the board of directors and executive committee for the American Clean Power Association. She earned a Master of Business Administration from the Tippie School of Management at the University of Iowa, a Juris Doctorate from Drake University School of Law, and a Bachelor of Arts from the University of Northern Iowa.

Mr. Armistead serves as the Chief Executive Officer of Pattern Energy.  He co-founded Pattern Energy with Mike Garland in 2009.  Mr. Armistead oversees all aspects of Pattern, with special focus on strategy, growth, capital formation and company culture.  

Previously, Mr. Armistead served as Pattern’s Chief Development Officer where he had the responsibility for all development and origination activities and had the broad responsibility for running the Business Development day to day business.  He led all global business development, including construction, engineering, and major equipment procurement.  

Prior to joining Pattern Energy, Mr. Armistead spent 10 years overseeing Babcock & Brown’s North American renewable energy business, including development, construction, and operations.  In previous roles, he led financing efforts for Edison Mission Energy and developed multiple facilities for Conoco. Mr. Armistead has a Bachelor of Science in electrical engineering from Rice University. He is based out of the Houston office.

Frank J. Macchiarola is Chief Policy Officer at American Clean Power Association (ACP). In this role, he leads a policy team developing the framework necessary to efficiently deploy the full suite of advanced clean energy technologies.

Prior to joining ACP, Frank served as Senior Vice President of Policy, Economics, and Regulatory Affairs at the American Petroleum Institute and Executive Vice President of Government Affairs at America’s Natural Gas Alliance. Earlier in his career, Frank served as Staff Director of the US Senate Committee on Energy and Natural Resources and the US Senate Committee on Health Education Labor & Pensions. He was also a partner in the Policy Resolution Group at Bracewell LLP.

Frank currently serves as an associate member of the US Commodity Futures Trading Commission’s Energy & Environmental Markets Advisory Committee and a member of the board of directors of the National Brain Tumor Society. He was twice recognized by National Journal as a top Capitol Hill staff member, and in 2022 he was named by Washingtonian as one of the 500 most influential people shaping public policy.

Frank earned his J.D. from New York University School of Law, M.P.Aff. from the Lyndon B. Johnson School of Public Affairs at The University of Texas at Austin, and A.B. in History from College of the Holy Cross.

JC Sandberg is the Chief Advocacy Officer at the American Clean Power Association (ACP). He leads ACP’s state and federal advocacy and regulatory policy work as well as ACP’s legal and research teams. Prior to joining ACP, Sandberg led global government affairs and policy at GE Renewable Energy. In this role, JC was instrumental in the global growth of the company’s onshore and offshore wind, grid, hydro, and storage businesses. Sandberg played an active role in the establishment of policy and regulatory frameworks enabling the accelerated deployment of renewable energy in domestic and foreign markets.

Sandberg began his policy career in 2001 as Counsel to the U.S. Senate Committee on Environment and Public Works where his portfolio included surface transportation, federal government response to the 9/11 attacks and a range of environmental issues. During his Senate tenure, Sandberg was a lead Senate negotiator on the $300 billion reauthorization of the Transportation Equity Act for the 21st Century. Following his work on the Hill, he served as Counsel to the law firm of Baker Donelson where he advised clients on energy and infrastructure issues.

Sandberg earned his B.S. in Accounting from Brigham Young University and his J.D. from the University of Arizona.

Andrea Giampoli is a Senior Vice President on the Environmental Compliance and Strategy team at Invenergy, the world’s largest privately held renewable energy developer and operator. She leads a team of professionals in the environmental study and permitting of clean energy projects executing on over 5GW nationwide. Andrea established one of the solar industry’s largest vegetation management teams, which is made up of soil and restoration specialists who focus on responsible land stewardship during the development, construction, and operations of solar facilities. Since 2021, this team has dedicated expertise on over 136 large-scale solar projects across 19 states. Andrea is active in multiple trade organizations and stakeholder groups to promote improved environmental policies and industry practices. She received her bachelor’s degree from the University of Wisconsin-Madison and law degree from Rutgers University.

Alyssa has always been driven to be part of the climate solution; her current role is the culmination of 15+ years in renewables. As leader of both environmental and government affairs in the US, she works to site solar projects responsibly and advocates for policies that support a low-carbon economy. Alyssa is particularly passionate about advancing sustainable development through innovation and science. She enjoys implementing research initiatives, agrivoltaics programs and conservation to build pioneering multi-use solar projects across the US. She says she believes there are no boundaries on learning and improving at Lightsource bp, which has allowed her to make a real difference in her field and makes every workday rewarding.

Hilary Clark is the Senior Director, Social Licensing at the American Clean Power Association (ACP) where she leads association and industry advocacy efforts on social licensing issues impacting the ability to develop, construct, and operate clean energy facilities at the state and local levels. Hilary brings over 20 years of government affairs, land use planning and permitting, public policy, and stakeholder engagement experience. Before joining ACP, Hilary worked for engineering consulting firms where she led land use and environmental planning efforts for siting and permitting various development projects, including utility-scale wind and solar energy projects.

She began her career in 2004 with a small consulting firm where she quickly advanced her position to begin driving overall project planning and management, maintaining effective coordination with technical consultants, developers, permitting agencies, and community stakeholder groups. As a project lead, she advised clients and stakeholders on project development issues, policy changes and regulatory framework, tracked changes in the permitting landscape, and helped drive projects forward.

Hilary earned her B.A. in Biology from the University of San Diego and her M.A. in International Environmental Policy from the Middlebury Institute of International Studies at Monterey.

Erin Lieberman serves as Invenergy’s Executive Vice President of Environmental Compliance and Strategy and leads the company’s efforts to advance the development, construction and operation of environmentally responsible clean energy projects. In this role, Lieberman oversees teams supporting land-based renewables, offshore wind, and long-distance and multi-state transmission. Working at the intersection of energy and the environment, Lieberman has more than 15 years of experience providing legal and strategic policy leadership related to public and private land permitting, renewable energy and transmission development, and asset management compliance, with a proven record of identifying and achieving meaningful solutions. Previously, Lieberman worked at a national environmental non-profit organization on federal wildlife and federal land policy, working directly with the White House, leadership at federal agencies, and congressional members. She holds a BS from the University of California-Berkeley and a JD from the University of Denver Sturm College of Law.

For nearly four decades Abby Arnold, Principal, MGC Partners, has specialized in crafting and leading private and public sector collaboratives and processes dedicated to producing results to address challenges associated with developing energy resources to meet demand for electricity – including, for example, siting/operating energy projects transmission and conservation – e.g.), water, wetlands, wildlife, agriculture, and other related land use, social, and economic issues.
Sixteen years ago, she helped found and for the past fourteen years served as Executive Director of the non-profit, Renewable Energy Wildlife Institute (REWI, previously AWWI). Prior to committing full time to managing REWI, Abby was a Mediator and Principal at Kearns & West for 9 years and at RESOLVE for 17 years.
Now, a Principal at her consulting practice, MGC Partners, she provides strategic advice and facilitation/mediation services. Abby looks forward to working with parties interested in producing solutions to address industry, federal, state, and local conservation, economic, and social interests and concerns we face in order to meet growing demand for energy and electricity in the US and internationally.
Abby holds a Master’s in Public Administration, Harvard’s Kennedy School of Government and a B.A. in Environmental Planning and Politics from U.C. Santa Cruz, with Honors. While at Graduate school, Abby studied Conflict Resolution, at the Harvard Law School.

Dahvi currently co-leads the Siting Clean Collaborative, helping to advise and connect members of the non-profit, academic, renewables industry, and philanthropic sectors who are working to tackle the local challenges associated with siting and permitting clean energy. She advises renewables companies on strategies for integrating public acceptance risk assessment into their businesses and building out new community engagement functions within their teams. Prior, Dahvi was the VP of Public Affairs for Apex Clean Energy, where she built and directed its industry-leading public affairs team. Dahvi has served in leadership roles with numerous organizations, and serves as a board member of the Institute for Western Energy, an Advisory Board Member of the Institute for Science and Policy and the Energy Leadership Institute, and a member of the City of Lafayette Planning Commission. Dahvi holds a Master of Environmental Management degree from Yale University and a BA from Brown University.

Karina Borger is the Vice President of Communications at ACP. She leads ACP’s integrated communications team and oversees media relations, social media, and executive communications to promote ACP as the leading voice of the U.S. clean energy industry, as well as the priorities and stories of its member companies.

Karina previously served as U.S. Senator Lisa Murkowski’s Communications Director for nearly nine years, amplifying coverage of the Senator’s work through earned media, online platforms, and other forms of external communications.

Prior to that, Karina worked as the Media Relations Coordinator for Samaritan’s Purse, an international relief organization that provides aid to victims of war, disaster, and disease in over 100 countries. She was also a reporter and weekend anchor at KTVA CBS 11 News in Anchorage, Alaska. Karina holds a Bachelor of Journalism in Radio-Television News with a minor in Spanish from the University of Missouri-Columbia.

Lara Hamsher is the Director of Stakeholder Relations, Impact, and Sustainability for AES’ Clean Energy Business.

Lara oversees a growing team of over 25 professionals, guiding AES' social and sustainability efforts for a substantial renewable portfolio – 8.6 GW of operating assets across 28 states and a 51 GW development pipeline. Her core purpose is to drive positive change, empower communities, and foster a sustainable future for our planet.

As a second-generation energy professional, Lara's dedication to this sector runs deep. After earning an undergraduate degree in Architecture & Urbanism from Smith College and spending initial years in design, she transitioned to the energy industry in 2014.

Lara's commitment to a sustainable future led her to the renewables industry in 2019, after receiving a Master of Science in Communications from Northwestern University. She began working in the renewables industry, leading Communications and Government Relations at sPower, and then joined AES in 2020. At AES, she has spearheaded the development of the Stakeholder Relations, Sustainability, and Impact team.

Lara's passion extends beyond her role at AES. A strong advocate for women in energy, she is a founding member of Women of AES Clean Energy and sits on the board of the Women's Energy Network Utah. Lara also serves on the board of the Public Affairs Council, is enrolled in the Public Affairs Institute, and serves as the vice-chair of American Clean Power’s Local Affairs Committee.

Adam Capage, joined Renewable Northwest in January of 2024 and is building stakeholder networks around key topical issues, with the goal of understanding policy positions of other organizations, while communicating Renewable Northwest’s policy positions and related technical knowledge. Adam’s twenty five-year career in the energy industry has included work in both the public and private sectors. He began his career at the Colorado Energy Office and was most recently the Vice President of the Market Intelligence Team at 3Degrees; this role included oversight of competitive intelligence and regulatory affairs. Adam has a Bachelor’s degree in Political Science from the University of Colorado at Boulder and a Master’s degree in Public Administration from the University of Colorado at Denver.

Monte D. Ten Kley is the Director of Project Development for Tenaska Development. In this role, Monte Ten Kley is responsible for overseeing due diligence, budgeting, project planning, permitting and community benefit programs supporting Tenaska Development activities. He leads negotiations for local landowner agreements and serves as the primary liaison with local government officials and community leaders. Mr. Ten Kley also supports the Development business unit’s marketing, community and public relations efforts related to project development. Tenaska Development combines the flexibility to capitalize on evolving market needs with the deep expertise that comes with decades of experience developing energy projects throughout the United States. As technologies advance and the market appetite for renewable power continues to grow, Tenaska Development focuses on high-value opportunities. The Tenaska Development portfolio includes carbon capture and sequestration, natural gas-fired generation, renewable fuel peakers, wind, solar and battery storage projects. Mr. Ten Kley has managed multiple successful development projects, including a 111-turbine wind farm that became operational 12 months ahead of schedule. Before joining Tenaska in 2013, Mr. Ten Kley served 22 years in the United States Marine Corps and attained the rank of Lieutenant Colonel while serving in various operational billets involving leadership and project management around the globe. Mr. Ten Kley earned a Bachelor of Science in Mechanical Engineering from the United States Naval Academy and a Master of Science in Civil/Environmental Engineering from the University of Nebraska at Lincoln. Additionally, he received a Master’s Certificate in Global Information Operations from the University of Nebraska at Omaha.