Get to Know 174 Power Global

Our Mission

Our mission at 174 Power Global is to provide clean, 100% renewable energy to the largest number of people by partnering with responsible landowners, community members, investors, and other project developers in the U.S. to build solar farms and energy storage facilities.

Our Vision

To open a better tomorrow with an unrivaled competitive edge in clean energy solutions and innovative convergence of technologies.

Our Team Members

Our team here at 174 Power Global consists of industry experts dedicated to advancing renewable energy solutions. Their expertise and strategic vision propel our mission to deliver sustainable, innovative projects that shape a greener future.

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Joo Yoon

Chief Executive Officer

AJ Ahn

AJ Ahn

Chief Financial Officer

Jihyun big

Jihyun Kim

Chief Operating Officer

In Kyu Park

In Kyu Park

Chief Strategy Officer & Chief Executive Officer, Chariot Energy

Rob Michalczak

Robert (Rob) Michalczak

Chief Development Officer

Jason branch

Jason Branch

Chief Human Resources Officer

Dan Judge

Daniel (Dan) Judge

General Counsel

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Krishnan Kasiviswanathan

Chief Risk Officer, Chariot Energy

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Mohsin Khoja

Chief Operating Officer, Chariot Energy

Sajjad Mussani

Sajjad Mussani

Chief Information Officer, Chariot Energy

Larry Greene

Laurence (Larry) Greene

Senior Vice President, Project Development

John Matthews

John Matthews

Vice President, Development

Yumi Son

Yumi Son

Vice President, Human Resources

Hao Wang

Hao Wang

Vice President, Project Finance

Larry Greene

David McCarthy

Vice President, Green Hydrogen

Charles Grinstead

Charles Grinstead

Vice President, Power Marketing

BTam

Bryant Tam

Vice President, Data Center

Andrew Syverson

Andrew Syverson

Senior Director, Construction, Procurement & Project Management

Stephanie Lauer e1726778060249

Stephanie Lauer

Senior Director, Permitting

Ravi Singh2

Ravi Singh

Senior Director, Operating Asset Management

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Meir Cabaltera

Senior Director, Project Controls

Paul Britton 174PG

Paul Britton

Director, Business Development

Gongnan Nancy Shao

Gongnan (Nancy) Shao

Director, Tax

Minhyuk Seo

Minhyuk Seo

Director, Accounting

Andrew Schlottmann

Andrew Schlottmann

Senior Manager, Talent Acquisition

Our value

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Challenge

We believe in challenging the status quo in pursuit of excellence through change and innovation.

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Dedication

We are dedicated to our company, customers, and each other to achieve excellence.

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Integrity

We believe in acting with integrity in everything we do, both as individuals and as employees.

Our Parent Company

We are an affiliate of Hanwha Group, a South Korean conglomerate and FORTUNE Global 500 company. 174 Power Global is an integral part of Hanwha Energy’s extensive value chain, which includes solar, hydrogen, and wind.

Hanwha’s innovative equipment and resources are instrumental in our projects, enabling us to deliver power to the grid, companies, and homes across the U.S. This strong partnership with Hanwha Group is a testament to our commitment to providing clean, renewable energy for decades to come.

Join Our Team

174 Power Global is an innovative, dynamic development company looking for passionate people who want to join us in making a real difference in the world and our environment. The opportunities to solve energy challenges are endless, and we want to multiply our efforts by bringing in forward-thinking, hard-working team members ready to contribute their ideas and strengths. We take care of our landowners, the communities we serve, and our people. Ready to change the world with us?

Learn more about Careers at 174 Power Global

Why Partner with 174 Power Global?

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Experience & Reputation

Recognized by Wood Mackenzie as a top solar project development company in the United States, our team has decades of experience developing, financing, constructing, operating and maintaining solar projects with the utmost integrity and expertise.

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Credibility & Financial Stability

We are unique in that while we are a smaller company that focuses on building lasting, personal relationships with each landowner, we also have the support and resources of our parent company, Hanwha Group, a South Korean conglomerate and Fortune 500 Global company.

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Landowner Compensation

We offer competitive lease rates that create reliable income and passive long-term income for landowners.

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Fast Project Development

We have an expansive domestic and global supply chain, allowing us to develop projects with certainty of execution for customers, which also benefits our land owners and other business partners.

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Community Benefits

We invest in our host communities, building community partnerships and bringing benefits to the communities where our projects are located.

Joo Yoon

Chief Executive Officer 

Joo has over 30 years of experience with Hanwha Group, specializing in overseas development projects, solar system sales in Japan, global sales strategy, and leading global solar module and system sales and marketing. With more than a decade in the renewable energy sector, he has developed deep industry expertise. Most recently, as President of Hanwha Japan, he led the company to become the residential solar market share leader in Japan. Joo holds a bachelor’s degree in chemical engineering and has played a key role in driving Hanwha’s global success in the renewable energy sector.  

AJ Ahn

Chief Financial Officer

AJ brings over 20 years of experience in accounting and finance, spanning 7 years with Big 4 accounting firms, 3 years in a public company, and more than a decade in the renewable energy sector. Most recently, AJ served as the Chief Financial Officer at Q CELLS USA, where he led the corporate finance and planning department. AJ is a CPA and holds a Bachelor’s degree in Business Administration from Korea University.

Jihyun Kim

Chief Operating Officer

Jihyun joins Team 174PG as its Chief Operating Officer. For the past seven years, he has led commercial efforts at QCells to support its rapid growth in the U.S. and prior to coming to the U.S. he worked at Hanwha Group HQ and various Hanwha affiliates. Jihyun earned an MBA from The University of Chicago School of Business and a Bachelor of Arts degree in Mass Communications from Korea University.

In Kyu Park

Chief Executive Officer, Chariot Energy

In Kyu joined Chariot Energy to take the helm of CEO in October 2022. He’s no stranger to Hanwha, having been with the company since 2010 in multiple positions in M&A, purchasing, planning and strategy and human resources. In Kyu is proud to now call Houston home after recently moving to the Lone Star State from South Korea with his wife and baby daughter.

Robert (Rob) Michalczak

Chief Development Officer

Rob joins the 174PG team as its Chief Development Officer and brings almost 25 years of experience in banking, finance, and the renewable energy sector.  Prior to joining 174PG, Rob led renewable energy development and origination activities across the United States at NextEra Energy for 15 years.  He has experience developing utility scale projects across the country and has negotiated over 20 GW of long-term power purchase agreements. Rob earned his Bachelor of Science degree in finance from Florida State University.

Jason Branch

Chief Human Resources Officer 

Jason brings 25 years of human resources experience in the energy industry, including the largest publicly traded oil & gas company in the U.S. In 2024, Jason led the HR transition and integration team for the $65B merger of ExxonMobil and Pioneer Natural Resources, and following the merger close was named the Executive Vice President of Human Resources for Pioneer. Jason holds a Bachelor’s degree in Business Administration from Baylor University and a Master’s degree in Human Resource Management from Texas A&M University. 

Dan Judge

General Counsel
Dan joined 174 Power Global in November 2023. He has worked in infrastructure development and finance for over 30 years. Prior to 174, Dan spent 15 years as general counsel at three different utility scale solar/storage development companies, supporting financing, contracting, and development issues relating to some of the world’s largest solar projects. Dan has a bachelor’s degree from Stanford and a law degree from the University of California at Berkeley.

Krishnan Kasiviswanathan

Chief Risk Officer, Chariot Energy

Krishnan Kasiviswanathan brings 25+ years of energy risk management and trading experience to the team. Krishnan has held various leadership roles with a variety of different energy companies. Such roles were Chief Innovation Officer and Chief Commercial Officer before moving to Chief Risk Officer and VP of Commercial Operations. He has an MBA and a Master of Science from the University of Connecticut.

Mohsin Khoja

Chief operating officer, Chariot Energy

Mohsin Khoja is the Chief Operating Officer of Chariot Energy. As a serial entrepreneur, he founded one of the first independent retail electricity providers in Texas, but has also run a corporate division with four hundred employees and a billion dollars in revenues. He is super excited to lead the charge of bringing truly sustainable but amazingly affordable energy to Texans.

Sajjad Mussani

Chief Information Officer

Sajjad joined the 174 Power Global family in 2019 as the Chief Information Officer. He is a proven technology leader with 20+ years of experience in the industry. He brings his entrepreneurial vision and advanced technical and business knowledge to deliver consistent positive business outcomes. Sajjad is a meticulous problem solver and excellent at directing multiple initiatives within highly mission-critical technology platforms.

Laurence (Larry) Greene

Senior Vice President, Project Development

Larry brings over 26 years of experience in energy business development with the last 14 in renewable energy. He has developed a 1.2 GW project pipeline for 174 Power Global in the US. Larry holds an M.S. in Geology from University of California, Davis, and an MBA from UCLA’s Anderson School of Management.

John Matthews

Vice President, Development

John Matthews brings over 15 years of development experience in renewable energy and previously an additional 10 years of development in the commercial real estate industry. Prior to 174, John led development and origination for an infrastructure-owned utility scale developer, developed and contracted over 1.5 GW of renewable projects at NextEra Energy, and has developed over 10 GW of utility-scale solar and storage projects across the US. John holds a MBA from Goizueta Business School and an undergraduate degree in economics from Davidson College.

Yumi Son

Vice President, Human Resources

Yumi Son serves as Vice President for 174 Power Global. She brings over 20 years of professional experience in HR, Business Administration, and IT Operations in chemical, biotechnology, and healthcare organizations at start-up to large size companies. She holds an MScBA Management in Information Systems (MIS) from the University of Applied Sciences Switzerland (HES-SO) and BSc in Business Administration in Accounting from San Francisco State University.

Hao Wang

Vice President, Project Finance

Mr. Hao Wang has over 30 years of extensive experience in corporate finance, M&A, energy project development and financing. Currently, the Vice President, Project Finance, Mr. Wang has led various departments including corporate finance and operations, corporate planning, and project finance since 2011 at Hanwha Energy USA Holdings.  Mr. Wang graduated from Tulane University with an MBA in Finance and Remin University of China with a B.S. degree in international economics. 

David McCarthy

Vice President, Green Hydrogen

Dave serves as Vice President for 174 Power Global’s Green Hydrogen Business Development. He brings over 30 years of experience in engineering, industrial gasses, energy and hydrogen business development. He holds a B.S in Chemical Engineering from Drexel University and an MBA from Temple University.

Charles Grinstead

Vice President, Power Marketing

Charles Grinstead is the Vice President of Power Marketing for 174 Power Global. He brings over 12 years of experience in the energy industry. Throughout his career, he has held various roles in power trading, marketing, and origination, where he developed expertise in managing electricity markets and negotiating power purchase agreements (PPAs). Charles has a proven track record of optimizing power generation portfolios and executing strategic market decisions to maximize profitability and reliability. He holds a Bachelor of Science in Finance from Arizona State University.

Bryant Tam

Vice President, Data Center

Bryant has over 18 years of combined experience in Leadership, Project/Program Management, Data Center Development, and Strategic Planning & Execution. In 2004, he started his professional career in management consulting before joining Southern California Edison (SCE) in 2009. At the age of 29, he became the youngest Asian-American Operations Supervisor in SCE’s Distribution Business Line, leading a front-line operations district that services six major cities in LA County. In 2016, Bryant joined Google, and their Global Data Center Team. Over a span of 2.5 years, he created and led the Infrastructure Development PMO for Google’s Data Centers globally before leading Data Center Site Selection & Acquisition for multiple regions across North & South America. Bryant earned a Bachelor’s degree in Economics form UC Irvine and an MBA from the University of North Carolina, Kenan-Flagler Business School.

Andrew Syverson

Senior Director, Construction, Procurement & Project Management

Andrew brings over 16 years of utility-scale renewable energy project management and construction experience. Projects include utility-scale wind, solar and battery energy storage in the United States, Canada and Mexico. He holds a B.A., in Biology and Distributive Science from Gustavus Adolphus College and a M.S., in Environmental Science and Engineering from the University of Iowa. He is registered as a Project Management Professional (PMP) and a Professional Engineer (P.E.) in MN.

Stephanie Lauer

Senior Director, Central Support

Stephanie is the Senior Director of Central Services (Permitting, Lands, and GIS) for 174 Power Global. She has nearly 30 years of experience in environmental resources, permitting, and regulatory compliance related to land use and the renewable energy and transmission industries. Stephanie holds a M.S. in Watershed Management from the University of Montana and a B.S. in Geology from Northern Arizona University.

Ravi Singh

Senior Director, Operating Asset Management

Ravi Singh is an accomplished asset management professional with over a decade of experience in the renewable energy sector. Having worked with leading companies such as BayWa r.e and Lightsource BP, Ravi has a proven track record of driving P&L for safe, reliable, and high-performing energy assets. With a background in electrical engineering and a master’s degree in engineering policy Analysis from Technical University Delft in the Netherlands, Ravi brings a strong technical and financial foundation to his work. His expertise spans operational efficiency, risk management, and fostering strategic partnerships, ensuring long-term success and sustainability in operating asset portfolio.

Meir Cabaltera

Senior Director, Project Controls.

Meir Cabaltera serves as Senior Director of Project Controls at 174 Power Global. Meir has over 18 years of experience in all aspects of the capital project management lifecycle within the Utility-Scale Solar, BESS, High Voltage, Commercial, Industrial, Government, and Medical construction sectors.  Prior to joining 174 Power Global, Meir held leadership roles in executing over 3.5 GW of utility-scale solar and BESS projects at Clenera Renewable Energy, Lightsource bp, and Swift Current Energy.  Meir has also held other leadership roles in the commercial construction industry from field execution to preconstruction development/chief estimating.  Meir received his B.S. in Mechanical Engineering at Boise State University with a professional specialization in Construction Management.  Meir is a certified Project Management Professional (PMP) from the Project Management Institute.

Paul Britton

Director, Business Development

As Director of Business Development, Paul leads 174’s buy-side M&A effort centered around project acquisitions and strategic partnership execution. He previously held similar roles in project M&A at AES Clean Energy and corporate M&A at EDF Renewables. Paul has an MBA from UCLA Anderson and a BS in Mathematics from Davidson College.

Gongnan (Nancy) Shao

Director, Tax

Nancy is a licensed CPA in California and serves as 174 Power Global’s Tax Director. Nancy brings over 15 years of experience in tax compliance, tax planning, tax accounting, and reporting. With a diverse background spanning industries such as manufacturing, healthcare, and logistics, she brings a blend of public accounting and industry experience. She holds a master’s degree in economics and a bachelor’s degree in finance, and is dedicated to optimizing tax strategies and ensuring regulatory compliance across multiple sectors.

Minhyuk Seo

Director, Accounting

Min Seo serves as the Accounting Director at 174 Power Global, bringing over 15 years of professional experience in accounting and finance. His background includes 8 years with a Big 4 accounting firm and 7 years in private companies.
Min is a CPA and holds a Bachelor of Commerce from Macquarie University, as well as an MBA from Korea National Open University.

Andrew Schlottmann

Senior Manager, Talent Acquisition

Andrew joined the 174 Power Global team in 2022 and currently leads the Talent Acquisition team. With over 15 years of experience in Talent Acquisition and Sales, Andrew specializes in recruiting for roles in Renewables, Information Technology, Logistics, and Tourism. Andrew is proud to guide an industry-leading Talent Acquisition team.