The phrase "without previously having" is correct and usable in written English.
It can be used to indicate that an action is taken without having done something beforehand.
Example: "She decided to move forward with the project without previously having consulted her team."
Alternatives: "without having first" or "without prior".
Conversely, what will encourage the Eagles is that they have reached this point without previously having looked all that impressive.
Although he took over the job at the age of 36 without previously having worked in Formula One, Boullier does have a lot of racing experience.
A contract was presented in December 2005, and Kagawa became the first player ever to sign professional terms with a J-League club midway through his high school education without previously having been part of its youth set-up.
To put Kerber's run in perspective, here is a look at the 10 unseeded players who made the semifinals of the U.S. Open in the Open Era without previously having reached the quarterfinals or better of any other Grand Slam tournament.
George says he realizes that not all Romanians are like Sandu, but "if I had watched the show without previously having met any Romanians, I would have thought that Romania is a ghetto country and that everyone lives with ten other people, all crammed up in one room".
Suppose you hallucinate (simultaneously) a red ellipse, an orange circle, and a green square, without ever previously having encountered any of those colors or shapes.
Apparently, a move towards online marking left the OCR without half the markers it previously had recruited to mark the Classical Civilisation exam papers.
Indications are, however, that processing water which was once disposed of enables those along the supply chain to create value from something that previously had none, without passing on much (if any) of that onto smallholders.
For example, babies conceived without treatment by women who had previously had fertility treatments had a 25 percent greater risk for birth defects.
A notable increase in neuroblastoma rates around 1987 may in part represent cases that would previously have regressed spontaneously without diagnosis.
Patients without previously diagnosed diabetes had a 2-hour oral glucose tolerance test with an oral glucose dose of 75 g (WHO 2006).
