Liam CassillyLC
Open to opportunities

Liam Cassilly

@liamcassilly

Strategic procurement leader with expertise in operations and vendor management.

United States

What I'm looking for

I am seeking a role that allows me to leverage my procurement expertise while fostering a collaborative and innovative company culture.

I am a strategic procurement and sourcing leader with over 7 years of experience in operations, vendor management, and contract negotiation. My background spans various sectors, including electrical supply and e-commerce, where I have successfully launched global sourcing initiatives and built end-to-end procurement systems integrated with Salesforce and NetSuite.

At Portlandia Electric Supply, I served as Interim COO, managing a 25-member operations team and overseeing vendor onboarding and order fulfillment. I have a proven track record of leading cost-saving initiatives and creating scalable procurement workflows that align with BOM-based demand planning. My hands-on, systems-focused approach has enabled me to foster strong vendor relationships and achieve significant growth in sales and operational efficiency.

Experience

Work history, roles, and key accomplishments

PS
Current

Interim Chief Operating Officer

Portlandia Electric Supply

Feb 2024 - Present (1 year 4 months)

Launched the sourcing and procurement arm, arranging agreements and handling onboarding with over 50 suppliers, and securing major deals with Fortune 500 executives. Managed vendor relationships to ensure mutual benefit, secured favorable pricing through strategic negotiation, and led the full contract lifecycle.

GU

Interim Chief Experience Officer

Greentech United

Feb 2023 - Feb 2024 (1 year)

Launched and led the white-label inverter initiative by sourcing and negotiating directly with Chinese manufacturers, overseeing onboarding, quality control, and long-term vendor relationship management. Created and implemented a performance evaluation framework for existing vendors to ensure accountability, quality, and continuous improvement. Built a robust global vendor network to support compl

SC

Director of Operations

STR Capital

Jul 2021 - Jan 2023 (1 year 6 months)

Established performance-based KPIs for existing vendors, fostering stronger partnerships that led to improved service levels and measurable cost reductions across multiple service categories. Directed financial strategies, overseeing company budget, AP, and AR, identifying cost efficiencies, refining rental pricing structures, and maintaining vendor relations to support business scalability. Overs

VR

Property Manager

Villeside Retreats

May 2018 - Jul 2021 (3 years 2 months)

Managed comprehensive property maintenance, ensuring properties were consistently clean, well-stocked, and fully operational, directly resulting in repeat bookings and excellent guest reviews. Developed and maintained relationships with local service providers and vendors, negotiating favorable terms and dependable service schedules to optimize operational costs. Managed all financial aspects of p

Education

Degrees, certifications, and relevant coursework

University of Louisville logoUL

University of Louisville

Bachelor of Science, Psychology

Completed a Bachelor of Science in Psychology at the University of Louisville. The curriculum provided a strong foundation in human behavior and analytical skills.

Tech stack

Software and tools used professionally

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Liam Cassilly - Interim Chief Operating Officer - Portlandia Electric Supply | Himalayas