Yeah by my tally she was Head Writer at the time of Alice's funeral (2010), but not the bank account thing - that was Marlene McPherson & Darrell Ray Thomas (2012).
Taken from daytimeroyaltyonline, here's a list of what Higley was head writer for:
EJ deportation
Lucas on house arrest
Nicole's return
John's memories on a disc
The woman that paralysed John
Morgan/Philip
John vs. the Hollingsworths
Lucas/Chloe
Joey's birth
Bo's pancreas story.
The Ava Vitali arc (kidnapping Hope, trying to sleep with Steve, detoxing from the pills, romancing John).
Elevator sex begetting Lucas and Chloe and ...Ejole?
Bo and Hope remarry even though they weren't divorced.
Stefano and the hospital lockdown.
Max is an engineering genius and Nick is jealous.
Chelsea and Max leave to go to medical school together.
Bo becomes police commissioner after Hope turns it down to spend more time with Ciara.
Abe becomes mayor.
Hope shoots Kayla (part of the psychic Bo story)
Baby switch/Grace's death, etc
Chloe and Lucas becoming friends, and the possibility of the triangle with Philip that went nowhere
Dimera/Kiriakis Feud-Stephanie's abduction
Bricole during the baby switch
Nighttime Hope
Organ harvesting
Chloe becomes a prostitute
Carly druggie dumpster diving
Chloe's depression suicide attempt
Trent
Nick goes crazy and kills Trent
Alternative fuels
The baby switch
Philip shot
Stephanie kidnapped
Theo is autistic
And regarding Stefano:
Hospital purple gas
Nonno
State
Diabetes
War with Victor
I mean I haven't even SEEN half of the stuff that's mentioned here! Wow.