Our Team


Timothy Kim


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


Robin Saiz

Vice President, Development

Robin manages the company's project and business development teams; with more than 13 years in the US solar and wind industries, he is an expert in various land use strategies, permitting and origination. Robin is also a veteran of the US Army.


John Schroeder

Head, ibV Energy Solutions

A lifelong problem solver, John has directly managed large-scale retail and energy construction projects around the world. As a key Group member, John spearheads US development and project planning initiatives in the New England ISO region. 


Sonja Chatziantoniou

Head of 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

Director, 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

Director, 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

Director, 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.


Feifei Chen

Head of Group Accounting

Fei manages a team of staff accountants, controllers and budgeting analysts. Her responsibilities are vast and includes tracking investment metrics, spend curves and ensuring the cash needs of development heads are met.


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

Manager, Technical Services

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.


Steven Llink

Senior Associate, Development

A former US Army artillery sergeant, Steve brings an impressive level of endurance to the project development team. His broad knowledge of interconnection matters and permitting is critical, as the company moves into new market segments across the US.


Jeff Chang

Associate, Development

An engineer by training, Jeff is responsible for our economic modeling initiatives. His passion lies at the intersection of market and policy analysis, quantitative modeling and development. Along with a Masters in solar engineering, Jeff is fluent in German.

Jeremy Moore

Associate, 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.


Michael Rodriguez

Analyst, Development

As a physics major, Mike's interest centered around renewable energy systems. After several years of experience in the energy storage and materials industry, Mike joined us as an Analyst in the Project Development and Market Analytics team.

Wesley Smith

Analyst, Development

Wes is a field developer with the Project Development team. Primarily operating across the midwest, his specialty includes land use and identification, permitting and managing community relations. Wes is a US Army veteran as well.


General Inquiries: info@ibvenergy.com

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ibV Energy Partners LLC

777 Brickell Ave, Suite 500

Miami, FL 33131

DisclaimeribV Energy Partners LLC ('ibV Energy') is a limited liability company, wholly owned by Vogt Solar Holdings, Inc. ib vogt GmbH personnel ("ib vogt" or "Group") are not involved in the operations or daily management activities of ibV Energy, its subsidiaries or direct affiliates.