Billy Parish

Q: What is Billy Parish email address?

Email Billy Parish at briana.waters26@gmail.com and billy.parish@joinmosaic.com. This email is the most updated Billy Parish email found in 2026.

Q: How to contact Billy Parish?

To contact Billy Parish send an email to briana.waters26@gmail.com or billy.parish@joinmosaic.com. If you want to call Billy Parish try calling on +12038877225 and +19038871403.

Unreasonable Mentor at Unreasonable | Berkeley, California, United States

About Billy Parish

Billy Parish is a visionary leader and a dedicated advocate for sustainable energy solutions, currently serving as an Unreasonable Mentor. With a rich background in cleantech and environmental policy, he leverages his expertise to guide entrepreneurs in the Unreasonable Fellowship, helping them navigate the complexities of building impactful businesses that prioritize both profit and planet. His role is pivotal in fostering a community of innovators who are not only shaping trillion-dollar industries but also uplifting the lives of over 1.4 billion people globally.

At the helm of Mosaic, which he co-founded, Billy has been instrumental in creating financing solutions that empower homeowners to adopt clean energy technologies. His commitment to making homes more efficient and resilient aligns perfectly with Unreasonable's mission of harnessing business for a regenerative future. Under his leadership, Mosaic has become a key player in the clean energy sector, facilitating smoother sales processes for contractors and making solar energy more accessible to homeowners.

Billy's strategic communications and planning skills are vital in mentoring emerging entrepreneurs, enabling them to articulate their visions and strategies effectively. His deep understanding of corporate social responsibility and energy markets allows him to provide invaluable insights into sustainable business practices. As he continues to mentor the next generation of changemakers, Billy Parish remains a beacon of inspiration in the cleantech industry, driving forward the narrative that business can indeed be a force for good.

Billy Parish Work

Unreasonable Mentor at Unreasonable in July 2011 to Present

Board Member at The Solutions Project in February 2016 to Present

Board Member at Permit Power in January 2024 to Present

Billy Parish Skills

Community Organizing

Non-profits

Fundraising

About Billy Parish's Current Company

Unreasonable

Discover more about Unreasonable

Frequently Asked Questions about Billy Parish

What is Billy Parish email address?

Email Billy Parish at [email protected] and [email protected]. This email is the most updated Billy Parish email found in 2026.

What is Billy Parish phone number?

Billy Parish phone number is +12038877225 and +19038871403.

How to contact Billy Parish?

To contact Billy Parish send an email to [email protected] or [email protected]. If you want to call Billy Parish try calling on +12038877225 and +19038871403.