About

The Sol Team

Every member of the Sol Systems’ and Sol Customer Solutions’ teams are at the company due to his or her deep expertise, drive to deliver, and authenticity.

Our team is made up of leading experts in the solar industry across all critical disciplines including financiers, engineers, lawyers, project managers, asset managers, energy markets analysts, and policy analysts.

Get to know our team members through their bios below. And, be sure to connect with us at industry events and on LinkedIn.

Sol Systems Team

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Ben Adams

SREC Customer Operations Analyst
Ben Adams works as a Customer Analyst on the SREC Operations team at Sol Systems. His responsibilities include assisting in…
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Nathan Amer

Accounting Manager
Nathan Amer is the Accounting Manager at Sol Systems, where he manages the accounting and financial reporting for multiple entities,…
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Timothy Barry

Director, Risk and Operations
Tim Barry serves as a Director in the Risk & Trading Operations group at Sol Systems, where he helps to…
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Aaron Bartell

Vice President & Assistant General Counsel
Aaron Bartell is a senior member of the legal team at Sol Systems, where he provides legal and strategic advice…
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Abbie Borowski

SREC Customer Operations Analyst
Abbie Borowski works on the SREC operations team, where she is responsible for handling registrations and inquiries for Sol Systems’…
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Kate Brandus

Director, SREC Aggregation
Kate Brandus is the Director of the SREC Aggregation team at Sol Systems. Her primary responsibilities include managing Sol Systems’…
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Mark Brill

Senior Director, Technical Advisory
Mark Brill leads technical diligence for utility-scale assets in the Helios platform. Mr. Brill manages a team of engineers and…
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Olga Bukharina

Vice President, Finance and Treasurer
Olga Bukharina is a member of the Accounting and Finance team, as a VP of Finance she is managing Treasury,…
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Javier Chacon

SREC Customer Operations Analyst
Javier Chacon works as a Customer Analyst on the SREC Operations team at Sol Systems. His responsibilities include assisting in…
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Jason Cimpl

Vice President, Trading
Jason Cimpl manages Sol Systems’ environmental commodities trading desk and the company’s SREC portfolio of 12,000+ solar assets. He oversees creation…
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Brenda Cordero

Project Coordinator, Project Delivery
Brenda Cordero is a Project Coordinator as part of the Project Delivery Team. Ms. Cordero supports project delivery in managing…
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Dan Diamond

Senior Director, Project Delivery
Dan Diamond works in the engineering department, where he leads the delivery team on negotiating, executing, and managing the PV…
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Austin Ditz

Director, Project Delivery
Austin Ditz is a Director of the Project Delivery Team, focusing on utility-scale solar projects. Mr. Ditz currently oversees Project…
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Michael Gibson

Chief Technology Officer
Michael Gibson oversees all aspects of Sol Systems’ IT efforts, from network infrastructure to application development to strategic planning. Mr.…
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Jennifer Hernandez

Administrative Associate
Jennifer Hernandez is a part of the Human Resources team as an Administrative Associate. In addition to managing all aspects…
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Bartley Higgins

Director, Fund Management
Bartley Higgins is the Director of  Fund Management, where he helps to manage a large and diverse portfolio of solar…
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Christian Hofer

Director, Trading
Christian Hofer manages the investment research process in support of Sol Systems’ SREC aggregation and portfolio trading business. Mr. Hofer…
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Yuri Horwitz

Chief Executive Officer
Yuri Horwitz, co-founder and Chief Executive Officer of Sol Systems, oversees strategic growth and performance as well as investment strategy…
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Juliana Isaac

Performance Engineer
Juliana Isaac works on the Asset Management team as a Performance Engineer, assisting with performance review and operations and maintenance…
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Adil Javat

Analyst, Asset Management
Adil Javat works on the asset management team, where he conducts credit analysis among other financial analyses while supporting the…
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Brent Joplin

Senior Analyst, Structured Finance
Brent Joplin works on the Structured Finance team, supporting tax equity and structured finance transactions. Previously, Mr. Joplin worked at…
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Alina Kasprik

FP&A Manager
Alina Kasprik is the Manager of Financial Planning & Analysis at Sol Systems. Her primary responsibilities include leading the coordination,…
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Meerim Kydykbek kyzy

Human Resources Assistant
Meerim Kydykbek kyzy is a member of Human Resources team where she supports companies recruiting efforts, oversees new hire onboarding and…
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James Machulak

Vice President, Asset Management
James Machulak is the Vice President of the Asset Management Department, where he oversees efforts to proactively manage risks associated…
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Rohit Marwaha

Vice President, Risk & Trading Operations
Rohit Marwaha is Vice President of Risk & Trading Operations at Sol Systems, where he oversees risk management and trading…
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Shannon Meyer-Johanson

Policy Associate
Shannon Meyer-Johanson supports the Policy team at Sol Systems, which creates and shapes renewable energy markets across the United States.…
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Lauren Miller

Senior Associate, Solar Policy
Lauren Miller helps manage regulatory affairs work across Sol Systems’ business lines. She oversees relationships with industry associations as well…
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Syam Mohan

Director, Trading
Syam Mohan serves as a director on Sol’s Trading Desk. He is a trader for Sol’s REC business lines and…
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Rebecca Oren

Director, Accounting and Structured Funds
Rebecca Oren serves as Director of Accounting and Structured Funds at Sol Systems, where she is involved in all aspects…
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Noelle Paige

Senior Associate, Due Diligence
Noelle Paige is a Senior Associate of Due Diligence on the Structured Finance team, where she manages project-level diligence on…
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Will Patterson

Manager, Marketing & Communications
Will Patterson manages website content, long-form collateral and execution of marketing strategy for Sol Systems. Will serves as managing editor…
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Krisztina Pjeczka

Senior Associate, Structured Finance
Krisztina Pjeczka is a Senior Analyst of Structured Finance at Sol Systems. She supports origination efforts for development and tax…
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Adam Polis

Performance Engineer, Asset Management
Adam Polis works on the Asset Management team as a Performance Engineer and is responsible for portfolio optimization, O&M contract…
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Eugene Rhee

Director, Performance Engineering
Eugene Rhee supports Sol Systems’ Structured Finance and Asset Management teams as an engineering resource. Mr. Rhee manages performance tracking…
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Jessica Robbins

Senior Director, Structured Finance
Jessie Robbins manages the execution of tax structured transactions at Sol Systems. She works to source, diligence, structure, and close financing…
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Ben Roggen

Data Analyst, Trading
Ben Roggen serves as a Data Analyst on Sol Systems’ Trading Team. He supports the desk by conducting fundamental market…
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Charity Sack

Senior Director, Marketing & Communications
Charity Sack oversees brand management, integrated marketing initiatives, and media relations. Prior to joining Sol Systems in July 2014, Ms.…
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Amira Scott

Senior Accountant, Payroll & Accounts Payable
Amira Scott is a Senior Accountant of Payroll and Accounts Payable on Sol Systems’ accounting team where she is responsible…
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Avery Sellers

Senior Associate, SREC Operations
Avery works on the SREC operations team, where he is responsible for handling registrations and inquiries for Sol Systems’ network…
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Joe Song

Vice President, Project Operations
Joe Song is responsible for the proper development and delivery of high quality PV systems for our customers, as he…
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Eric Stam

Director, Structured Finance
Eric Stam currently works as a Senior Director on Sol Systems Structured Finance team. Mr. Stam joined Sol Systems after…
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James Stevens

System Administrator, IT
James Stevens provides IT service support for Sol Systems’ staff, offices, and infrastructure. Mr. Stevens joined Sol Systems with over…
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Ann Sweitzer

Director, Human Resources
Ann Sweitzer is a member of the Human Resources team and as a Director, Ms. Sweitzer manages the full life…
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Tracy Tran

Junior Accountant
Tracy Tran is the Junior Accountant of the Accounting and FP&A team at Sol Systems. Her primary responsibilities include tracking…
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Jun Wang

Director, Portfolio Management
Jun Wang is a Director of Portfolio Management with the Asset Management Department, where he manages commercial and contractual aspects…
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Liz Weir

Chief Operating Officer
As Chief Operating Officer, Liz Weir focuses on organizational development and operational excellence for Sol Systems. Liz comes to Sol…
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Andrew Williams

Senior Director, Regulatory Affairs, Energy Infrastructure and Markets
Andrew Williams leads Sol’s growing policy team as it creates and shapes renewable energy markets throughout the United States. Andrew…
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Gabriel Wuebben

Senior Director, Structured Finance
Gabe Wuebben manages tax structured projects for Sol Systems’ corporate and institutional clients. Mr. Wuebben supports origination and business development…
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Sol Customer Solutions Team

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Lauren Aycock

Solar Development Engineer
Lauren Aycock serves as a Solar Development Engineer for Sol Customer Solutions where she provides technical support from inception to…
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Chris Baumgartner

Business Development Manager
Chris Baumgartner is a member of the Sol Customer Solutions team as a Business Development Manager. Mr. Baumgartner manages client…
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Miles Braxton

Associate, Business Development
Miles Braxton serves as a business development associate at Sol Customer Solutions. Mr. Braxton helps to investigate and engage potential…
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Bridget Callahan

Project Development Manager
Bridget Callahan works as a project development manager for Sol Customer Solutions engineering team where she manages solar projects through…
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Mark Cooper

Senior Director, Engineering
Mark Cooper oversees engineering operations and quality control for Sol Customer Solutions at all stages of the project development and…
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Jim Crawford

PV Development Engineer
Jim Crawford serves as a PV Development Engineer at Sol Customer Solutions. Mr. Crawford provides development technical support, conducts project…
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Chris Dailey

Senior Associate, Investments
Chris Dailey is a member of Sol Customer Solutions’ Investor Managed Accounts team where he performs quantitative and qualitative analysis…
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Sam Ditesheim

Analyst, Business Development
Sam Ditesheim serves as a Business Development Analyst for Sol Customer Solutions. In this role, he supports the research and…
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Rennie Friedman

Director, Project Development
Rennie Friedman serves as the director of project development for the engineering team, where he manages our solar projects through…
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Andrew Gilligan

SOL CUSTOMER SOLUTIONS, VICE PRESIDENT
Andrew Gilligan leads the Sol Customer Solutions company – overseeing and managing one of the most experienced and leading solar…
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William Graves

Senior Manager, Business Development
William Graves is a senior manager of business development at Sol Customer Solutions. He works with both corporations and governmental…
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Andrew Grin

Senior Director, Investments
Andrew Grin leads Sol’s Investments team, coordinating investment decisions, due diligence, negotiation, and financing of Sol developed distributed generation projects.…
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Erin Hickok

Analyst, Investments
Erin Hickok serves as an Analyst with the Investments team. She supports due diligence efforts and negotiations throughout the financial…
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Grant Klein

Senior Associate, Business Development
Grant Klein supports the Sol Customer Solutions as a Senior Business Development Associate. Previously, Mr. Klein was a member of…
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Pedro Leon de la Barra

Project Manager
Pedro Leon de la Barra manages contracting, design, execution, and delivery for commercial DG solar projects in the 1 –…
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Sandhya Mahadevan

Senior Associate, Business Development
Sandhya Mahadevan serves as Senior Associate of Business Development for Sol Customer Solutions. Ms. Mahadevan helps private and public customers…
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Nick Mento

Project Development Manager
Nick Mento works as a Project Development Manager for the Development Engineering team. Prior to working at Sol Systems, Mr.…
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Jeff Miller

Senior Director, Business Development
Jeff Miller serves as senior director of business development where he oversees strategy focused on onsite solar energy development for…
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Anna Noucas

Senior Manager, Business Development
Anna Noucas leads Sol Customer Solutions’ origination efforts in a variety of markets, where she works to source, diligence and…
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Rob Pierno

Business Development Manager
Rob Pierno serves as the Business Development Manager for the Mid-Atlantic region at Sol Customer Solutions, which includes MD, DC…
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Jill Rathke

Associate, Business Development
Jill Rathke serves as a Business Development Associate for Sol Customer Solutions. Ms. Rathke helps private and public customers implement…
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Ashley Regan

Business Development Manager
Ashley Regan serves as a Business Development Manager for Northeast at Sol Customer Solutions. Her territories include NY, NJ, PA, CT among…
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Marc Rubcich

Senior Director, Business Development
Marc Rubcich serves as a senior director at Sol Customer Solutions.  In this role, he manages a service-driven department focused…
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Sintia Torres

Senior Project Manager
Sintia Torres works on the engineering team, where she manages relationships with EPC partners and developers to ensure timely deliverables…
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Founders

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George Ashton

Founder & Member of the Board
George Ashton, co-founder of Sol Systems, serves on Sol Systems’ Board of Advisors and Board of Directors. In his time…
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Yuri Horwitz

Chief Executive Officer
Yuri Horwitz, co-founder and Chief Executive Officer of Sol Systems, oversees strategic growth and performance as well as investment strategy…
Meet The Founder