$url= "http://portal.contoso.com/sites/TEST"
$web = Get-SPWeb $url
$list = $web.Lists["List1"]
Write-Output "Count = $($list.views.count)"
$list.views| % {Write-Output "Title = $($_.title)"}

Count = 1
Title = All Items

[Microsoft.SharePoint.SPSecurity]::RunWithElevatedPrivileges(
{
    $web = Get-SPWeb $url
    $list = $web.Lists["List1"]
    Write-Host "Count = $($list.views.count)"
    $list.views| % {Write-Host "Title = $($_.title)"}
}
)

static void GetViews(SPSite site)
        {
            SPWeb spweb = site.OpenWeb();
            foreach(SPUser oUser in spweb.AllUsers)
            {
                SPSecurity.RunWithElevatedPrivileges(delegate()
                {
                    try
                    {
                        SPSite oElevSite = new SPSite(site.ID, oUser.UserToken);
                        SPWeb oElevWeb = oElevSite.RootWeb;
                        SPList splist = oElevWeb.Lists["CustomStatusList"];
                        SPViewCollection views = splist.Views;
                        foreach (SPView view in views)
                        {
                            if (view.PersonalView)
                            {
                                Console.WriteLine(oUser.Name +":"+ view.Title);
                            }
                        }
                        oElevWeb.Dispose();
                        oElevSite.Dispose();
                    }
                    catch
                    {

                    }
                });
            }
        }

$user=$web.AllUsers.GetByID(1073741823)

$token = $user.UserToken;

$impWebObj= New-Object Microsoft.SharePoint.SPSite($web.Url, $token);