Academy of Sciences

Source file: City and County of San Francisco — Employee Compensation / ingested Jun 17, 2026

The Academy of Sciences operates a public higher-education institution — instruction, research, and student services.

In 2025, this agency had 12 employees with median total compensation of $189,516; the highest distinct record was $233,812.

Year: 2025
Total payroll: $2.1M
Employees: 12
Median total: $189,516
Highest record: $233,812

What the records show

Compensation analytics

These summaries compare pay within the agency before listing individual records.

Salary distribution

$21,975$233,812+

Hover a bar for its range; click to filter the list below.

How 2025 total compensation is spread across the 12 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($189,516) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $117,113 (66%)
Overtime — $5,483 (3%)
Other — $10,457 (6%)
Benefits — $44,759 (25%)

What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.

Pay percentiles

10th

25th

Median

75th

90th

$119,086

$179,453

$189,516

$197,001

$227,606

The pay ladder for this department. Someone at the 90th percentile earns $227,606 — more than 90% of the department; the 10th percentile earns $119,086. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Stationary Engineer

10 · $189,516

Chief Stationary Engineer

1 · $233,812

Senior Stationary Engineer

1 · $21,975

The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.

Trend

Year over year

How this department's total payroll, headcount, and median pay changed across the 2 published years.

Year	Total payroll	Employees	Median pay
2024	$2.3M —	13 —	$191,237 —
2025	$2.1M ▼ 7.2%	12 ▼ 7.7%	$189,516 ▼ 0.9%

Record list

Employees

Page 1

Christopher Willers

Senior Stationary Engineer/Academy of Sciences

2025 total comp

$21,975

Sub-department: Journeyman Trade
Organization group: Culture & Recreation
Base pay: $18,382
Overtime: $0
Other pay: $2,061
Benefits: $1,533
Total compensation: $21,975
Employment type: Temporary Exempt
Union / bargaining unit: Stationary Engineers, Local 39
Full-time equivalent (FTE): 0.12

Source-specific fields

Data As Of: Jun 14, 2026
Data Loaded At: Jun 15, 2026
Department Code: SCI
Job Code: 7335
Job Family Code: 7300
Organization Group Code: Culture & Recreation
Other Benefits: $1,533
Total Salary: $20,443

Christopher Willers holds the role of Senior Stationary Engineer at Academy of Sciences within Journeyman Trade. Their status is temporary exempt, 0.12 FTE. In 2025, their total compensation was $21,975. Their bargaining unit is Stationary Engineers, Local 39.