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Meet Our Team

Dedication. Expertise. Passion.

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Drew Sizemore

Director

Drew has devoted his career to working with people to reduce their energy burden in the built environment. 

Some of the most enjoyable work that he has done has been finding interesting and engaging ways to educate people in how energy is interwoven into our lives.

Alex's Bio

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Lara O'Brady

Training Manager

Dedicated to excellent instruction and environmental stewardship, Lara has taught almost every age group from Oregon to Mexico City.

Lara not only develops and delivers engaging energy education curricula, but served as a Senior Auditor/Inspector in Washington County.

Alex's Bio

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Suzanne M. Gray

Workforce Development Manager

Suzanne is passionate about serving low-income and marginalized communities and developing sustainable and culturally appropriate training and services. 

 

Her vision for workforce development entails a comprehensive and human-centered approach. 

Alex's Bio

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Nick Arvidson

Lead Instructor

With a decade of experience in the home performance and weatherization fields, Nick possesses a deep understanding of building energy performance and is passionate about providing others with the skills and knowledge to create more sustainable structures.

Alex's Bio

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Jill Hollingsworth

Workforce Development Coordinator

Website Manager

Jill brings over 30 years of administrative experience in the non-profit arena serving low-income and homeless folk. 

She strives to provide participants in OTI's Career Development Program with the support needed to excel in the program and in their chosen fields.

Alex's Bio

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Lauren Kolojechick-Kotch

Utility Policy Manager

Lauren is committed to equitable community energy development at the intersection of community interest and energy policy and development.

She is driven by her interest in reducing the energy burden, comparative rural policy and strategies to improve energy efficiency. 

Alex's Bio

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Alex's Bio

Alex Cirella

Alex has a passion for advocacy and a drive to find ways to help their community, particularly those who have been historically marginalized.

Alex joined OTI’s team in August 2025, and they hope to continue helping a wider network of weatherization professionals in their current role as Program Coordinator.  They will continue to help people by supporting OTI Instructors, Workforce Development staff and the Oregon Energy Coordinators Association (OECA) members and affiliates.

Alex's Bio

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Samuel Tappendorf

Motivated by helping others and strengthening individuals' practical skills, Sam joined OTI’s team as a Training Specialist in March 2026. 

With a background in workforce development, skills development and software training, he is particularly interested in creating learning experiences that allow people to grow.

Sam works in support of OTI's Career Development Program helping participants develop the skills necessary to succeed.

Alex's Bio

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