Skip to main content
Ryan Cook headshot

Ryan Cook

FSA, EA, CERA, MAAA
Consulting Actuary
Boise, ID, US

Ryan Cook is the lead and co-lead actuarial consultant for over a dozen clients at Milliman, including single-employer corporate pension and OPEB plans and public pension and OPEB plans.

Download bioDownload

Experience

Client Projects

  • Funding valuations (PPA, PBGC, VEBA, and ADC)
  • Accounting valuations (ASC 715/960 and GASB 67/68/73/74/75)
  • Government filings (Forms 5500, PBGC Forms 10, and PBGC premium filings)
  • Experience studies
  • Deterministic and stochastic projections
  • Plan change/design studies
  • Plan de-risking studies
  • Plan terminations
  • Benefit calculations

Other Work

  • Serve as co-lead actuary in the development of Milliman's online projection tool
  • Develop and manage various firmwide Excel-based tools
  • Serve as ProVal expert within Milliman
  • Conduct firmwide training sessions
Publications

Read their latest work

Article

2025 Corporate Pension Funding Study

30 April 2025 - by Zorast Wadia, Alan Perry, Ryan Cook
The funded percentage of the 100 largest corporate pension plans entered surplus territory in 2024, fueled by higher discount rates.
Article

Milliman Pension Buyout Index April 2025

29 April 2025 - by Ryan Cook, Jake Pringle
Estimated competitive retiree buyout cost, as a percentage of accounting liability, increased by 80 bps from 101.7% to 102.5% during March.
Article

Retiree annuity purchases—finding value

28 April 2025 - by Ryan Cook
While retiree annuity purchases can offer significant savings and de-risking, plan sponsors need to carefully consider all of the potential costs.
Article

Milliman Pension Buyout Index March 2025

24 March 2025 - by Ryan Cook, Jake Pringle
Estimated competitive retiree buyout cost, as a percentage of accounting liability, increased by 10 bps from 101.6% to 101.7% during February.
Article

Milliman Pension Buyout Index February 2025

24 February 2025 - by Jake Pringle, Ryan Cook
Estimated competitive retiree buyout cost, as a percentage of accounting liability, increased by 20 bps from 101.4% to 101.6% during January.
Article

Milliman Pension Buyout Index January 2025

22 January 2025 - by Jake Pringle, Ryan Cook
Estimated competitive retiree buyout cost, as a percentage of accounting liability, increased by 20 bps from 101.2% to 101.4% during December.
Article

Milliman Pension Buyout Index December 2024

19 December 2024 - by Jake Pringle, Ryan Cook
Estimated competitive retiree buyout cost, as a percentage of accounting liability, stayed level at 101.2% during November
Article

Milliman Pension Buyout Index November 2024

21 November 2024 - by Jake Pringle, Ryan Cook
Estimated competitive retiree buyout cost, as a percentage of accounting liability, decreased by 50 bps from 101.7% to 101.2% during October.
Article

Milliman Pension Buyout Index October 2024

21 October 2024 - by Jake Pringle, Ryan Cook
Estimated competitive retiree buyout cost, as a percentage of accounting liability, increased by 90 bps from 100.8% to 101.7% during September.
Article

Milliman Pension Buyout Index September 2024

13 September 2024 - by Jake Pringle, Ryan Cook
Estimated competitive retiree buyout cost, as a percentage of accounting liability, decreased by 170 bps from 102.5% to 100.8% during August.