

Beyond Efficiency Email Formats
Contact top employees from
Beyond Efficiency
- Beyond Efficiency uses 6 different email formats. The most common is lastName (for example, doe@beyondefficiency.us), which appears in about 70% of work addresses.
- Other common patterns include:
- firstNameInitial.lastNameInitial: j.d@beyondefficiency.us (4%)
- firstNameInitiallastNameInitial: jd@beyondefficiency.us (23%)
Beyond Efficiency’s Popular Email Formats
| Format | Example | Percentage |
|---|---|---|
Format lastName | Percentage: 70% | |
Format firstNameInitiallastNameInitial | Percentage: 23% | |
Format firstNameInitial.lastNameInitial | Percentage: 4% | |
Format firstNameInitial-lastNameInitial | Percentage: 1% | |
Format firstNameInitial_lastNameInitial | Percentage: 1% | |
Format firstNameInitial_lastName | Percentage: 1% |
Contact top employees from
Beyond Efficiency
Danielle BeeveSustainability Engineering Project Manager
Nathan RussellEnergy Engineer Leader
Annette HartsfieldHead of Business Operations
Seth ThurmondEnergy + Systems Engineer
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Beyond Efficiency Corporate Information: FAQ
Based in Jackson, WY, Beyond Efficiency was established in 2009 as an independent IT Services firm with a team of 10–50 professionals. Operating primarily from the San Francisco Bay Area, the company focuses on delivering tailored energy and building optimization solutions for a diverse clientele.
Beyond Efficiency’s expertise spans planning, strategy, and charrettes; professional training and engineering; energy modeling; whole‑building systems optimization; mechanical and plumbing design; green program certification; existing building audits; measurement and verification (M&V); commissioning; and accessory dwelling unit support. The firm also develops policies, affordable housing initiatives, building electrification programs, education outreach, technical research, and comprehensive program development.
The leadership team includes Annette Hartsfield, Head of Business Operations; Danielle Beeve, Sustainability Engineering Project Manager; Seth Thurmond, Energy + Systems Engineer; and Nathan Russell, Energy Engineer Leader.
Beyond Efficiency’s expertise spans planning, strategy, and charrettes; professional training and engineering; energy modeling; whole‑building systems optimization; mechanical and plumbing design; green program certification; existing building audits; measurement and verification (M&V); commissioning; and accessory dwelling unit support. The firm also develops policies, affordable housing initiatives, building electrification programs, education outreach, technical research, and comprehensive program development.
The leadership team includes Annette Hartsfield, Head of Business Operations; Danielle Beeve, Sustainability Engineering Project Manager; Seth Thurmond, Energy + Systems Engineer; and Nathan Russell, Energy Engineer Leader.
Beyond Efficiency uses 6 email formats across its organization. The most common pattern is lastName (e.g., doe@beyondefficiency.us), used in approximately 70% of work addresses.
Beyond Efficiency currently employs over 10-50 people from United States, with a head office in Jackson, WY.
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