Start up salary formula
Salary = job type X seniority X experience + location (+ $10K if salary choice)

job type = base
happiness hero = $45,000
content crafter = $50,000
engineer = $60,000
designer = $60,000
Operations officer base = $70,000
Executive officer base = $75,000
seniority = base multiplier

Senior + 5% base and 3k/$m revenue
Lead +7% base and 4k/$m revenue
VP + 10% and 6k/$m revenue
C-level +20% and 8k/$m revenue
COO +20% and 10k/$m revenue
CEO + 20% and 12k/$m revenue

experience = multiplier
Master: 1.3X
Advanced: 1.2X
Intermediate: 1.1X
Junior: 1X

location = additional
A: +$22K (e.g. San Francisco, Hong Kong, Sydney, London, Paris, New York)
B: +$12K (e.g. Nashville, Birmingham, Vienna, Austin, Vegas, Tel Aviv)
C: +$6K (e.g. Talinn, Warsaw, Bucharest, Santiago)
D: +$0K (e.g. Manila, Delhi, Hanoi)

equity / salary choice
you get a choice of more equity or more salary, if you choose salary, you get +$10K

Law Firm method of distribution:

Primer on Partnership-Compensation Models

http://www.nysscpa.org/cpajournal/2005/805/essentials/p62.htm