Van Gaal will take over at Old Trafford after Holland’s World Cup campaign comes to an end in an attempt to get Manchester United back into the Champions League after a disastrous season under David Moyes.
Hasselbaink told Sky Sports News' World Cup Verdict: “Van Gaal has got so much experience. He has worked with big players at Barcelona, big players at Bayern Munich, been already the Dutch national coach, it’s the second time for him.
“He has won the Champions League, he’s got lots of experience and he knows how to manipulate things. I think it will be an interesting time.”
The former Netherlands striker also expects Van Gaal to adopt a strict managerial approach at Manchester United and will push the players to the limit in order to get the best out of them.
He said: “He is tactically very good, he motivates his players very well and will try to play attacking football.”
Hasselbaink went on to say Holland are capable of winning the World Cup and thinks Van Gaal has created a good squad with a strong team spirit compared to previous Dutch squads.
He added: “In 96 when there was a lot of trouble, you had a lot of big hitters, big name players in that squad. Now you have a lot of young players that Van Gaal has chosen very smartly, you have some players who have done it, who have been 10, 12 years in the mix and who have played in World Cups already, he has made a team out of it.
“Made a team with young players and players who want to play for each other. The spirit is very good.”
Holland face Costa Rica in the quarter-finals on Saturday and Hasselbaink is confident that Holland can come out on top but believes they have to be better defensively in order to progress further in the competition.
“On paper we should win that but as we all know it’s not that easy.“