diff --git a/Test/public/buildTree.test.ps1 b/Test/public/buildTree.test.ps1
new file mode 100644
index 0000000..7e5c1bc
--- /dev/null
+++ b/Test/public/buildTree.test.ps1
@@ -0,0 +1,11 @@
+function Test_Build-Tree{
+    
+    $hubbers,$tree = Build-Tree
+
+    Assert-AreEqual -Expected ashtom -Presented $hubbers.rulasg.manager.manager.manager.manager.github_login
+
+    # total employeed
+    Assert-Count -Expected 4410 -Presented $hubbers
+    Assert-AreEqual -Expected 4410 -Presented $tree.totalEmployees
+
+}
\ No newline at end of file
diff --git a/public/buildTree.ps1 b/public/buildTree.ps1
new file mode 100644
index 0000000..1402c61
--- /dev/null
+++ b/public/buildTree.ps1
@@ -0,0 +1,103 @@
+function Build-Tree {
+    [cmdletbinding()]
+    param (
+
+    )
+
+    $hubbers = Get-Hubber -AsHashtable
+
+    $ceo = $hubbers.Values | Where-Object { $_.manager -eq $_.github_login }
+
+    $tree = Build-Node $hubbers $ceo
+
+    $global:hubbers = $hubbers
+    $global:tree = $tree
+
+    return $hubbers, $tree
+
+} Export-ModuleMember -Function Build-Tree
+
+
+function Build-Node {
+    param(
+        [Parameter(Mandatory, Position = 1)][object]$hubbers,
+        [Parameter(Mandatory, Position = 2)][object]$Node
+    )
+
+    try {
+
+        Write-Host "." -NoNewline
+
+        # Stop after X nodes
+        if (! (Test-Continue)) {
+            $Node.count = -1
+            return $Node
+        }
+
+        $nlogin = $Node.github_login
+
+        ## Manager
+        # Set to null the manager for the CEO where manager == him self
+        $node.manager = ($node.manager -ne $nlogin) ? $hubbers.$($node.manager) : $null
+
+        ## Employees
+
+        $employeesList = $hubbers.Values | Where-Object { ($_.manager -eq $nlogin) -and ($_.github_login -ne $nlogin) }
+
+        $Node.totalEmployees = 0
+
+        # Recurse employ
+        if ($employeesList.count -ne 0) {
+
+            $Node.employees = @{}
+
+            # recurse call
+            foreach ($employee in $employeesList) {
+
+                $elogin = $employee.github_login
+
+                if( $null -eq $elogin -or [string]::IsNullOrWhiteSpace($elogin) ){
+                    Write-Warning -Message "Skipping employee name [$($employee.name)] with empty github_login under manager $nlogin"
+                    Write-Verbose -message "$($employee | convertto-Json -Depth 10) "
+                    continue
+                }
+
+                $Node.employees.$elogin = Build-Node $hubbers $employee
+            }
+        
+            # Count the number of employees under this node
+            foreach ($employee in $Node.employees.Values) {
+                if ($null -ne $employee.totalEmployees) {
+                    $Node.totalEmployees += $employee.totalEmployees
+                }
+                $Node.totalEmployees++
+            }
+        }
+
+        $Node.sequenceNumber = $script:count
+
+        return $Node
+    } catch {
+        Write-Error -Message "Error building node for $($Node.github_login): $_"
+    }
+}
+
+function Test-Continue() {
+
+    $max = 5000
+    
+    if ($null -eq $script:count) {
+        $script:count = 0
+    }
+    else {
+        $script:count++
+    }
+
+    if ($script:count -gt $max) {
+        return $false
+    }
+
+    # Write-Host "$script:count ." -NoNewline
+
+    return $true
+}
\ No newline at end of file
diff --git a/public/getByContry.ps1 b/public/getHubber.ps1
similarity index 80%
rename from public/getByContry.ps1
rename to public/getHubber.ps1
index ff64079..a86645b 100644
--- a/public/getByContry.ps1
+++ b/public/getHubber.ps1
@@ -1,7 +1,8 @@
 function Get-Hubber{
     [CmdletBinding()]
     param (
-        [Parameter(Position=0)][string]$Handle
+        [Parameter(Position=0)][string]$Handle,
+        [Parameter()][switch]$AsHashtable
     )
 
     $hubbers = Get-Content -Path "~/hubbers.json" | ConvertFrom-Json -Depth 10 -AsHashtable
@@ -10,7 +11,11 @@ function Get-Hubber{
         return [pscustomobject] $hubbers.$Handle
     }
 
-    return $hubbers.Values
+    if($AsHashtable){
+        return $hubbers
+    } else {
+        return $hubbers.Values
+    }
 } Export-ModuleMember -Function Get-Hubber
 
 function Get-HubberByCountry {