Truman Mak
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Truman Mak Email & Phone Number

Senior Sales Manager - ESS at CATL - Energy Storage Solution Provider
Location: Oakland, California, United States 15 work roles 3 schools
1 work email found @vista-solar.com 3 phones found area 510 and 866 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email t****@vista-solar.com
Direct phone (510) ***-****
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Role
Senior Sales Manager - ESS
Location
Oakland, California, United States

Who is Truman Mak? Overview

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Quick answer

Truman Mak is listed as Senior Sales Manager - ESS at CATL - Energy Storage Solution Provider, based in Oakland, California, United States. AeroLeads shows a work email signal at vista-solar.com, phone signal with area code 510, 866, and a matched LinkedIn profile for Truman Mak.

Truman Mak previously worked as Battery Energy Storage System Development Manager at Perfect Power Llc and Advisor at Zarc Recycling, Llc. Truman Mak holds Masters Master Of Environmental Management (Mem), Sustainable Urban And Industrial Systems from Yale School Of The Environment.

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Email format at CATL - Energy Storage Solution Provider

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{first}@vista-solar.com
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Profile bio

About Truman Mak

Truman Mak is a Senior Sales Manager - ESS at CATL - Energy Storage Solution Provider. He possess expertise in green building, energy, sustainability, renewable energy, leed and 26 more skills. Colleagues describe him as "Truman is by far the best sales person I’ve ever worked with. He is incredibly intelligent and does a phenomenal job of asking his clients open ended questions and addressing 2nd, 3rd, 4th, 5th, etc level objections. He’s also an unbelievable cultural fit. When I started working at Sungevity, Truman was the person who made me better each and every day simply by leading by example. He truly walks the walk. He has experience in B2C, B2B and enterprise sales. Any company looking to elevate their sales team would be lucky to land Truman!" and "Truman started off as an Outside Sales Associate and quickly excelled at the position. Soon into the role I relied on him to provide coaching and best practice tips, to be a team leader in the field, and most importantly - to be a top producer. I am sure Truman's intelligence and drive will allow him to add significant value to dynamic, fast growing, and results oriented teams in the future."

Listed skills include Green Building, Energy, Sustainability, Renewable Energy, and 27 others.

Current workplace

Truman Mak's current company

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CATL - Energy Storage Solution Provider
Catl - Energy Storage Solution Provider
Senior Sales Manager - ESS
Oakland, CA, US
AeroLeads page
15 roles

Truman Mak work experience

A career timeline built from the work history available for this profile.

Battery Energy Storage System Development Manager

Current

Stamford, Ct, Us

I lead the development efforts for Perfect Power's California and Texas projects, managing a portfolio of 650 MW standalone battery energy storage (BESS) and 300 MW photovoltaic (PV) solar projects within the ERCOT and CAISO markets. My team drives the end-to-end development of utility-scale (10-50 MW) standalone energy storage systems, with a focus on technical feasibility and market-driven decision-making, whether to sell at NTP or advance to construction. I oversee key aspects of the development process, including land acquisition, interconnection, permitting, pre-construction planning, due diligence, and the MIPA sales process, ensuring projects are fully prepared for swift and successful transactions.Perfect Power specializes in mid-scale projects that demand innovative solutions and thorough market analysis. Perfect Power operates under SER Capital Partners, an ESG-focused private equity fund committed to renewable energy investments.We are currently constructing a 300 MW battery energy storage and 300 MW photovoltaic solar project in Waco, TX.

Aug 2022 - Present

Advisor

South San Francisco, Ca, Us

Precious Metal Recycling RFI/RFP Consultant

Apr 2018 - Sep 2023

Utility Scale Bess - Ftm Senior Development Associate

San Francisco, Ca, Us

• Front of the Meter Developer Team specializes in developing utility-scale battery energy storage systems (HW/SW). Stem’s proprietary software, Athena, is an AI-driven EMS application that forecasts and optimizes demand charge mgmt, wholesale market participation, and backup power.• As a Senior Developer Associate, I support the Developer Sales Team, a Director, a manager, and 8 Sales Account Executives, managing their deal flow from the initial proposal request through the contracting and purchase for multi-million dollar energy storage projects. In addition, I serve as the team’s liaison and expert on the entire sales cycle, including business case development, wholesale market revenue analysis, financial modeling, pricing, contracting, and post-sales support. • Wholesale Market Proforma Modeling of ISO-NE, NYISO, and Co-Ops (Coincidental Peak mitigation), model levers include wholesale market revenues, ancillary services, clean energy incentives, standard financial inputs, and hardware comparison. • 2021 total team sales of $118M/286 MWh, the largest project sold $195M /316 MWh(spread across multiple years), average project size 5MW-10MW.

Aug 2020 - Feb 2022

Account Manager

Austin, Texas, Us

SoCalGas Light Industrial Team• Developed industrial retrofit projects for SCG Industrial customers.• Worked closely with the utility, customer, and engineers throughout the pre and post-installation.• Incentive requires the account manager to document positive “influence” on customers to pursue new energy projects that otherwise would not have been pursued.• Solely manages the incentive program which includes writing the Project Feasibility Study, Installation Report, Influence documentation, and other documentation. • Developed over 5.2 million dollars in project cost, which net over 1,260,000 therms saved.

Jul 2019 - Aug 2020

Account Executive - C&I Solar Development

Santa Clara, Ca, Us

Closed Projects:August 2017- MERCK & Co - 340 kWJune 2017- Washington Elementary School, Winton, CA - 122 kWJune 2017- Homes 2 Suite - 189 kWMay 2017- Samsung San Jose - 503 kWJanuary 2017- Community Baptist Church San Jose- 36.640 kWJanuary 2017- Mid-Peninsula High School- 71.400 kW December 2016- Hampton Inn Hotel Livermore- 187.920 kWNovember 2016- Valley Mountain Regional Center - 322.320 kWAll encompassing role throughout the sales lifecycle from lead generation until installation.Negotiated all solar and construction agreements between end user, land owner and general contractor. Majority of enterprise clients required the use of their own contracts and agreements.Conducted site visits using SunEyes, designed systems through Sketch Up and HelioScope, and analyzed financial savings, utility rates, system sizing through in depth use of Energy Toolbase.Brought in company’s largest real estate partnership with Alexandria Real Estate Equities; from this relationship I was tasked at writing and winning Uber’s Solar RFP for their new SF Mission Bay HQ.Closed 1.7 MW/$5.1 million dollars in sales within the first year of employment, 200% above quota

Aug 2016 - Apr 2018

Senior Account Executive - C&I Solar Development

Oakland, California, Us

Office based closer role, worked directly with homeowners through webinars to educate homeowners in solar technology, utility rate schedules, carbon credit markets, government tax incentives and financial metrics to empower their decision to go solar.Extensive use of Salesforce to optimize and manage pipeline of new and existing customers.Consistently among the top 3 sales consultants; achieved senior status within 1 year, subsequently promoted to Senior II status 2 months afterwards for maintaining net sales over 110% of quota.

Jan 2016 - Jul 2016

Senior Account Executive - Residential

Oakland, California, Us

Aug 2015 - Dec 2015

Account Executive - Residential

Oakland, California, Us

Jun 2014 - Aug 2015

Outside Sales Associate Manager

Oakland, California, Us

Top performer of department, generating over 40% of total outside salesProvide sales leads to the Sungevity via an outside lead generation; door to door customer engagementLed and trained a team of 15 sales associates in diverse solution selling strategies

Apr 2012 - May 2014

Co-Founder

Us

SolGen is a website that provides homeowners with comparisons and instant quotes on residential solar systems while educating homeowners on basic solar photovoltaic information and local/federal incentives. SolGen is currently building first stage beta website.Won Best Presentation at the Connecticut Business Plan Competition, finalist for several local entrepreneur contests (Sabin Sustainable Venture)

Sep 2012 - Jul 2014

Practice Associate [Graduate Internship]

Santa Clara, California, Us

Assisted the development of the Green Buildings Investment Analysis Tool for federal clients to meet Executive Order 13514The Green Buildings Investment Analysis Tool is a business intelligence tool that helps decision makers prioritize their investment in buildings based on current sustainability performance and potential for investment, resulting in expense savings, improved building performance and compliance with federal green buildings requirements (EO 13514).Analyzed building portfolios and building energy audits to develop sustainable building tool criteria weighting system and investment recommendationsUtilized the analytic hierarchy process (AHP) to help client prioritize sustainable building feature needs.Won internal company social innovation contest as team member of H-Grid, a turnkey micro-grid solution for the health care industry and business centers in developing countries; presented to CEO of Hitachi in JapanResearched, tracked and helped improved internal corporate sustainability strategies including voluntary carbon/sustainability reporting, environmental management system (EMS), environmental compliance and corporate social responsibility tools.

Jun 2013 - Dec 2013

Sustainable Systems Program Manager

San Francisco, Ca, Us

Managed Westpoint Harbor Marina Project , mitigating B.C.D.C. environmental permit violationsLed a small team of green building professionals to develop various building sustainability planEnsured all buildings and homes are Green Point Rated, LEED, and Energy Star Building CertifiableDevised sustainability report for company private placement memorandum and business pitch bookExplored new building technology and worked with environmental software experts to gauge feasibilityDeveloped sustainability database of over 150+ different types of green building technology

Sep 2011 - Aug 2012

Econaut

La Jolla, Ca, Us

Innovated on-campus sustainability through student behavior change by using social mediaPerformed kitchen energy and water audits and retrofits for over 15 on campus dining locationsManaged and secured data for LEED Credit Submittals on various dormitory buildingsResearch and presented campus composting program’s economic feasibility report; recipient of 2011 UCSD Sustainability Award for Post-Consumer Food Waste Composting ProgramLed multiple annual campus wide sustainable events on dorm room energy management,Directed UCSD’s participation in nationwide college waste competition “RecycledMania”, analyzed over 400 tons of waste. UCSD won 3rd place for Largest Total Waste/Recycling

May 2009 - Sep 2011

Sustainability Rotation Internship

Washington, Dc, Us

Internship rotated through three different organizations within the U.S. House of Representatives: Greening the Capitol, Architect of the Capitol and Congressman BilbrayDevised green lease samples, alternative waste management plans and green office guides for over 1000+ Congressional District OfficesRevised staff procurement guidelines to include responsible supply chain managementAnalyzed building performance tracking tool to gauge the energy consumption of recently renovated buildings, ensure new appliances are working properly and reviewed cost-benefit analysisReviewed construction bids for multiple large renovation projects from the owner’s perspectiveEnsured L.E.E.D. Credit Submittals, Material Safety Data Sheets (MSDS) and Credit Interpretation Request (CIR) are submitted correctly in timely fashion

Jan 2011 - Mar 2011
3 education records

Truman Mak education

Masters Master Of Environmental Management (Mem), Sustainable Urban And Industrial Systems

Yale School Of The Environment

Bs, Economics Management Science; Ba, History: Emphasis On East Asian History

Uc San Diego

Education Abroad Program

Yonsei University
FAQ

Frequently asked questions about Truman Mak

Quick answers generated from the profile data available on this page.

What company does Truman Mak work for?

Truman Mak works for CATL - Energy Storage Solution Provider.

What is Truman Mak's role at CATL - Energy Storage Solution Provider?

Truman Mak is listed as Senior Sales Manager - ESS at CATL - Energy Storage Solution Provider.

What is Truman Mak's email address?

AeroLeads has found 1 work email signal at @vista-solar.com for Truman Mak at CATL - Energy Storage Solution Provider.

What is Truman Mak's phone number?

AeroLeads has found 3 phone signal(s) with area code 510, 866 for Truman Mak at CATL - Energy Storage Solution Provider.

Where is Truman Mak based?

Truman Mak is based in Oakland, California, United States while working with CATL - Energy Storage Solution Provider.

What companies has Truman Mak worked for?

Truman Mak has worked for Catl - Energy Storage Solution Provider, Perfect Power Llc, Zarc Recycling, Llc, Stem, Inc., and Clearesult.

How can I contact Truman Mak?

You can use AeroLeads to view verified contact signals for Truman Mak at CATL - Energy Storage Solution Provider, including work email, phone, and LinkedIn data when available.

What schools did Truman Mak attend?

Truman Mak holds Masters Master Of Environmental Management (Mem), Sustainable Urban And Industrial Systems from Yale School Of The Environment.

What skills is Truman Mak known for?

Truman Mak is listed with skills including Green Building, Energy, Sustainability, Renewable Energy, Leed, Energy Efficiency, Sustainable Business, and Cleantech.

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