Leadership Team

Timothy Kim


Tim is the Head of ibV Energy Partners and its direct affiliated companies. An early-mover in the renewable energy industry, previous to founding ibV Energy, Tim led closings on more than 800 MW of corporate and project finance and M&A transactions both in the US and globally. Tim is also a veteran of the US Navy.

Robin Saiz


Robin is the co-founder and Executive VP of ibV Energy. As Chief Development Officer, he oversees the Development, Planning & Eng. and Business Development teams; Robin has 15 years of US solar and wind development experience and has an expertise in permitting and site analysis. Robin is also a veteran of the US Army.

Manoj Reddy

Head, Power Markets & Analytics

Manoj brings two decades of experience in power consulting, transmission and energy trading. With executive level positions across traditional and renewable energy companies, Manoj now spearheads ibV Energy's power marketing and analytics functions, encompassing grid analysis, PPA structuring, M&A and pricing issues.


Michael Rodriguez

Business Development Lead

Mike leads the development of the Company's proposals, as well as research, analysis and outreach to public and private offtakers. A Miami native, Mike received his B.A. in Physics which led him to working at one of the world's largest battery energy storage manufacturer and following, a top solar racking firm.


Sudipto Bhowmik

Director, Transmission Systems

As Director of Transmission Systems and Planning, Sudipto oversees grid strategy and analysis and, in conjunction with Planning & Engineering, his work directly impacts the company's greenfield and late-stage investment decision process. All of the company's transmission analytics is performed in-house.


Alexander Gregory

Sr. Manager, EPC Solutions

Alex is a critical member of the company's EPC team, coordinating all aspects of subcontractor and O&M relationships, major equipment procurement, safety protocols and installation engineering deliverables. Alex holds OSHA 10/30, CPR AED, Heavy Machinery Operations, Procore and PV Installation Certifications.

Nathan Coleman

Manager, Land Acquisition

Nathan supervises the company's Land Acquisitions Team, comprised of several in-field personnel across the United States. Previously in the coal industry, Nathan is an expert in assessing easements, right-of-way paths, critical issues and when needed, reclamation of coal site for the development of solar power plants.

Jeff Chang, P.E.

Manager, Planning & Engineering

An engineer by training, Jeff is responsible for our engineering and permit planning initiatives. His passion lies at the intersection of technical due diligence, scheduling, optimization engineering, permitting and development. Along with a Masters in solar engineering, Jeff is also a licensed Professional Engineer.

Jeffrey Wright

Manager, Energy Markets

Jeff is a Manager in our Power Marketing & Analytics Group. His portfolio consists of identifying and modeling basis risk, analyzing market-side congestion risks, as well as consulting on originations issues. Jeff's previous experience includes market intelligence, energy trading and finance, with public and private entities.

Group Personnel

Sonja Chatziantoniou

Head, Human Resources

In her role as Head of Human Resources, Sonja manages the Group's talent acquisition strategy, in addition to staff  training and development. Her coverage also includes advising on cross-border hiring and pay issues.

Alex Hanke

Head, Corporate Finance

As Head of Corporate Finance for the global Group, Alex oversees the liquidity needs and funding strategies for consolidating entities. He has more than 30 years of financial experience, and splits his time between the US and Germany.

Olaf Salzwedel

Head, EPC Engineering

Olaf is Head of Engineering and Systems Integration, and oversees a talented team of design and production engineers. He has led the Group's engineering team on some of the most challenging projects, including initiatives in Egypt and Thailand.

Pat Zenker

Head, Global Procurement

Patrick is Head of Procurement and responsible for sourcing the most cutting-edge solar technologies for the Group. His team regularly sources hundreds of MWs of equipment at the most competitive prices in the market.

Steven Riedel-Finder

Head of Group Accounting

Steve Riedel-Finder manages a global team of accountants, controllers and budgeting analysts, including oversight of external auditors and bookkeepers. Steve and his team is critical to ensuring full QA in project spend and capital allocation.

Esther Ludwig

Head of Optimization

Engineering doesn't stop at the final design stage. Esther ensures that each solar plant undergoes a rigorous technical examination for optimization and fatal flaws, prior to shovels hitting the dirt. Her team carries the legacy of the Group's engineering heritage.

Marius Koenig

Head, EPC Development

At the front lines of solar + storage research and development, Marius' team provides the Group in-depth production and design analysis, including complex energy storage modeling for integrated power plants. Their work is at the forefront of this industry.

Jeremy Moore

Manager, Technical Services

Jeremy is part of the Group's Engineering and Systems Integration division. He serves as the subject matter expert on production modeling and preliminary plant design analysis. Jeremy's work underpins several of our key development initiatives.

Abhishek Gawde

Data Analyst Engineer

With a passion for energy storage modeling, Abhishek's specialty lies in designing integrated solar + storage plant solutions. He is one of the Group's 'go-to' individuals for storage analytics, use case scenarios and production modeling.