Sigma Renewable Energy markSigma Renewable Energy

SELECTED WORK

Projects That Moved the Needle.

Twenty years of engagements across wind, solar, and battery storage — from hands-on site operations to board-level due diligence. Every project grounded in real engineering.

Onshore Wind
Featured

US East Coast · 2018 – 2022

Onshore Wind Fleet Engineering

As Director of Operations Engineering, led technical programs across a multi-GW US onshore wind portfolio. Oversaw fleet-wide performance optimization, root cause investigations on critical turbine failures, and built the engineering systems needed to operate assets at commercial scale. Interfaced directly with OEMs, lenders, and project developers on technical risk.

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Wind Operations
Featured

Horizon Wind Energy · 2006 – 2009

Full-Site Wind Operations

Managed day-to-day and long-range operations of a 101 MW wind farm as Operations Manager at Horizon Wind Energy. Responsible for turbine performance, O&M contract oversight, regulatory compliance, and site safety. Drove availability improvements and developed the operational procedures that underpinned the farm's commercial success.

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Due Diligence

Global Portfolio · 2009 – 2012

Independent Technical Due Diligence

Delivered independent technical assessments for lenders, equity investors, and acquirers on wind projects spanning hundreds of megawatts. Reviewed energy yield models, turbine procurement contracts, O&M agreements, and warranty structures. Findings directly influenced financing decisions and purchase prices on multiple transactions.

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Battery Storage

Sigma Renewable Energy · 2023 – Present

BESS Commissioning & Root Cause Analysis

Independent technical consulting on utility-scale battery energy storage systems — from construction commissioning through operational root cause investigations. Specializing in cell-level failure analysis, thermal management system review, and warranty claim preparation for owners and lenders who need an unbiased technical voice.

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Wind Turbine Systems

Siemens Gamesa · 2012 – 2016

Turbine Systems Engineering & Warranty Recovery

Led wind turbine systems and warranty engineering programs at Siemens Gamesa. Managed technical resolution of fleet-wide component failures, developed root cause documentation for warranty claims, and worked with asset owners to quantify production losses. Built cross-functional processes between field engineering, supply chain, and commercial teams.

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Clean Tech

Tesla · 2004

Mechanical Engineer — Tesla Roadster Prototype

Contributed mechanical engineering work to the original Tesla Roadster prototype — one of the first production lithium-ion electric vehicles. An early signal that electrification was inevitable, and the start of a career built on clean energy systems engineering.

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Have a Project That Needs an Experienced Eye?

Whether you need a failure investigation, a bankability review, or a long-term technical advisor — I'm available for engagements of all sizes.