Question: What eight-day seminar is the current occupant of the castle and country house in Angus, Scotland known for giving?

Context articles: Chair of Cabinet (Ontario)
Guthrie Castle
Daniel S. Peña Sr.
First Regiment Armory Annex
WRVA Building
Henry Lytton-Cobbold
Clarisse House
Newton House, Llandeilo
Hatton Castle, Angus
Edzell Castle

Chair of Cabinet is a position in the Executive Council (cabinet) of the province of Ontario.
 The current occupant is Jim Bradley.
 It is a ministerial position without portfolio although several occupants have had concurrent appointments to other cabinet positions.
Guthrie Castle is a castle and country house in Angus, Scotland.
 It is located in the village of Guthrie, 10 km east of Forfar, and 29 km north-east of Dundee.
 The castle dates back to the 15th century, although much of the present building is of 19th-century origin.
 It is now a private house.
Daniel Steven Peña Sr. (born August 10, 1945), also known as Dan Peña, is an American philanthropist, businessman and high-performance business coach, born in Jacksonville, Florida.
 Today, he resides at Guthrie Castle in Scotland.
 Peña is prominent for his eight-day Castle Seminar on his "Quantum Leap Advantage" (QLA) methodology, and claims to have produced $50 billion in equity and value.
 He is the author of several books, including "Your First Hundred Million".
The Armory, historically known as the First Regiment Armory Annex, and now called Portland Center Stage at The Armory (named after its current occupant), is a historic building with two theaters inside and is located in Portland, Oregon, United States and is home to the theater company, Portland Center Stage.
 It was built in 1891 by Multnomah County to house the Oregon National Guard.
 In 2000, it was added to the National Register of Historic Places.
 Following a $36.1 million renovation project that lasted from 2002 to 2006, the building home to the theater company Portland Center Stage which produces 11 productions each season.
 An estimated 150,000 visitors visit The Armory annually to enjoy a mix of classical, contemporary and world premiere productions, along with the annual JAW: A Playwrights Festival, and a variety of high quality education and community programs.
The WRVA Building is an 18000 sqft building located at 200 N. 22nd St. in the historic Church Hill district of Richmond, Virginia.
 Designed by world-renowned architect Philip Johnson while he was at the architectural firm of Budina and Freeman, it was originally built to house WRVA (AM), one of Virginia's first broadcast radio stations.
 The building is considered "one of the city's most visible and important mid-20th-century architectural landmarks."
 ChildSavers, a Richmond nonprofit child services agency, is the current occupant.
Henry Fromanteel Lytton-Cobbold (born 1962) is the current occupant of Knebworth House in Hertfordshire, England.
The Clarisse House is the official residence of the Prime Minister of Mauritius at 37, Riverwalk Vacoas, Plaines Wilhems.
 It is frequently used for governmental conferences, summits and other official purposes, including the Prime Minister's New Year Speech.
 The current occupant of this house is the present Prime Minister, Pravind Jugnauth.
 The Prime Minister's Office is located at Port Louis.
Newton House is a Grade II* listed country house situated just to the west of the market town of Llandeilo in Carmarthenshire, Wales.
 It is owned and maintained by the National Trust and lies within Dinefwr Park (sometimes anglicised as "Dynevor") and the grounds of Dinefwr Castle.
 The original house was built during the Medieval period on a site which has been occupied for at least two millennia.
 The current house was built by Edward Rice in the Jacobean style in 1660, though extensive changes were made in the 1850s in the Venetian Gothic style.
 The house played a role in the Rebecca Riots of 1843, when the occupant of the house at the time, Colonel George Rice, received a death threat with an empty grave dug in the ground.
 After 1956 the property fell into turbulent times when two owners died within the space of a few years.
 It was sold in 1974, and later fell into disrepair; it was occupied by squatters and thieves who removed beams and furniture.
Hatton Castle stands on the lower part of Hatton Hill, the most easterly of the Sidlaw Hills, to the south of Newtyle in Angus, Scotland.
 The castle overlooks the wooded Den of Newtyle, and its views extend across Strathmore and include Ben Lawers and Schiehallion as well as the Angus and Glenshee hills.
 The 16th-century castle was originally built in a typical Scottish "Z plan" tower house design, as a fortified country house or "château".
 There was an earlier castle called Balcraig Castle which stood less than half a mile from the present building, also on Hatton Hill.
Edzell Castle is a ruined 16th-century castle, with an early-17th-century walled garden.
 It is located close to Edzell, and is around 5 mi north of Brechin, in Angus, Scotland.
 Edzell Castle was begun around 1520 by David Lindsay, 9th Earl of Crawford, and expanded by his son, Sir David Lindsay, Lord Edzell, who also laid out the garden in 1604.
 The castle saw little military action, and was, in its design, construction and use, more of a country house than a defensive structure.
 It was briefly occupied by English troops during Oliver Cromwell's invasion of Scotland in 1651.
 In 1715 it was sold by the Lindsay family, and eventually came into the ownership of the Earl of Dalhousie.
 It was given into state care in the 1930s, and is now a visitor attraction run by Historic Scotland (open all year; entrance charge).
 The castle consists of the original tower house and building ranges around a courtyard.
 The adjacent Renaissance walled garden, incorporating intricate relief carvings, is unique in Scotland.
 It was replanted in the 1930s, and is considered to have links to esoteric traditions, including Rosicrucianism and Freemasonry.