Justin Rostant

Growth and optimization leader interested in helping companies scale their sales operations

I've worked in the clean energy space for over 21 years in both the corporate and start up environments. I help to identify deficiencies in sales growth including business development, sales, operations and training.

My strongest assets are assessment, ideation, optimization and execution of sales growth strategies.

Justin Rostant


  • Lumino Consulting

    Lumino Consulting

    Sales consulting agency specialized in working with companies that have a vested interest in accelerating a more sustainable future.



  • Lumino Consulting LLC

    Lumino Consulting LLC


    Apr 2021 - Present

    Lumino Consulting is focused on sales growth, enablement and optimization targeting those companies looking to accelerate a more sustainable world including organizations anchored in community solar and 3rd party suppliers with a vested interest in renewable energy.

  • CleanChoice Energy

    CleanChoice Energy

    Vice President of Sales

    Jul 2021 - Mar 2023

    Responsible for building a scalable sales organization through the creation of multiple business units for sales channel growth, development and optimization for all clean energy products including retail supply and community solar, across the US. Created multiple sales channel partnerships to diversify offerings and ensure consistent growth opportunities that include direct sales, telesales, affinity partnerships and broker relationships.

    • Expanded sales channel operations and partnerships increasing sales volume from 2021 to 2022 by +156%
    • Grew the company's largest sales volume ever in both 2021 and 2022 through expansion of sales channels and markets - 2020 to 2021 - +435% | 2021 to 2022 - +37%
  • Common Energy

    Common Energy

    Vice President of Sales

    Apr 2019 - Jun 2020

    Community solar startup focused exclusively on customer acquisition leading all sales channel creation, development, and leadership. Created a culture of success by being hands on with individual sales associates and grooming them to produce sales their first week. Hand-held the creation of new sales operations to ensure clear communication, visibility and production of all new sales teams. Retail, tele-sales, small business, direct mail, and affinity partnerships.

    • Grew sales +200% in first 6 months of tenure
    • Expanded sales channel portfolio by 3X
    • Led the company to its first month of profitability
    • Spearheaded new channel operations producing a 600% increase in customer signups in 2020
  • Green Mountain Energy

    Green Mountain Energy

    Senior Manager, Direct Sales Northeast

    Aug 2017 - Apr 2019

    Head of all sales partnerships for our Northeast and Midwest operations and had primary responsibility for growth, expansion, management and operational optimization. This includesd solidifying new channel partners, launching new retail sponsorships including big box retail, indoor/ outdoor events and professional sports.

    • Generated over $40 million in revenue
    • Exceeded our sales targets for the first 3 quarters of 2018 by 150%
  • NRG Energy

    NRG Energy

    Director, Sales Quality Assurance and Training

    Apr 2011 - Apr 2017

    Managed a team of over 30 employees responsible for all face-to-face channel sales quality, training and analysis for all NRG brands including, Green Mountain Energy, Reliant Energy and NRG Home. I owned all aspects of NRG's corporate safety program for all face-to-face sales teams. I directed a team of +30 employees with multiple managers within QA, training and operations across the US and ensured KPI's were exceeded in all relevant operations related to overall sales success. I was the leader of all sales analysis, strategy, quality assurance, process development, project management and project execution.

    • Facilitated the growth of sales by over 135%
    • Reduced complaint to sales ratio by 38%, maintaining a 72% retention rate for all new customers through deep data analysis, actionable solution identification and execution.

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