Board President Conrad Muhly is a partner with the developer, who has also purchased the adjacent 240-acre plot of land.
The new members are in addition to the four appointed by Delaware County officials on Monday.
The group joins four members of the current board.
Appointed Thursday were:
Steve Bazil, a Chester County attorney involved with animal rescue organizations.
William R. Bock, a Chester County resident whose family dogs, Argus and Fiona, were gunned downed by neighbor in February.
Guy Donatelli, lawyer and chairman of Upper Uwchlan's Board of Supervisors.
Tom Garg, a Chester County veterinarian and legislative and policy chair for Pennsylvania Veterinary Medical Association.
Thomas Hickey, Sr., a member of the state's Dog Law Advisory Board and a Chester County resident.
David Long, a companion animal training consultant from Chester County, owner of rescue dogs and former chief executive officer of the Coatesville YMCA.
Buzz Miller, of Montgomery County, founder and president of PACT for Animals.
Jennifer Muller, a Philadelphia veterinarian, Chairman of the state's Canine Health Board and member of the Dog Law Advisory Board.
Howard Nelson, of Philadelphia, a former executive director of the Washington D.C. Humane Society and former chief executive officer of the Pennsylvania SPCA.
Karen Overall, a Chester County veterinarian and animal behaviorist. She is an adjunct professor of veterinary medicine at University of Pennsylvania and editor in chief of Journal of Veterinary Behavior.
Keith Pension, a board member of Natural Lands Trust and Chester county resident.
Marsha Perelman, a member of the Pennsylvania Dog Law Advisory Board and board member of the Humane Association of the United States.
Paul Rubino, a Chester County attorney.
On Monday Delaware County named Maral Avetian, a veterinarian; Peter R. Barsz, an accountant; Patricia Sons Biswanger, a lawyer; and Joseph Daly, police chief of Springfield Township, to the board.
The shelter accepts strays from Chester County as well as from most towns in Delaware County under a $30,000-a-month contract.