diff --git a/conf/contributors.xml b/conf/contributors.xml
index 436c6ea2..d647c541 100644
--- a/conf/contributors.xml
+++ b/conf/contributors.xml
@@ -2103,6 +2103,7 @@ Please keep the list in alphabetical order by last name!
  trac="mkohlhase"/>
 <contributor
  name="Matthias Köppe"
+ altnames="Matthias Koeppe"
  work="Professor, UC Davis"
  location="Davis, CA, USA"
  description="build system (2016-2022); continuous integration (2020-2022); modularization (2020-2022); polyhedral geometry and optimization (2015-2022); manifolds (2021-2022)"
@@ -2176,11 +2177,6 @@ Please keep the list in alphabetical order by last name!
  url="https://jplab.github.io/"
  trac="jipilab"
  github="jplab"/>
-<contributor
- name="Jean-Philippe Labbé"
- location="BMS-Freie Universitat, Berlin, Germany"
- url="http://page.mi.fu-berlin.de/labbe"
- trac="jipilab"/>
 <contributor
  name="Sébastien Labbé"
  work="CNRS researcher, LaBRI, Université de Bordeaux"
diff --git a/scripts/geocode.py b/scripts/geocode.py
index ab381ade..57f6080a 100755
--- a/scripts/geocode.py
+++ b/scripts/geocode.py
@@ -33,11 +33,14 @@
 
 # google key for sagemath.org - no longer a free one available
 # this is an "api key" credential for GCP's "Geocode API"
-gkey = open(os.path.expanduser("~/geocode.key")).read().strip()
+try:
+    gkey = open(os.path.expanduser("~/geocode.key")).read().strip()
+except FileNotFoundError:
+    gkey = None
 
 # allowed attributes in source xml, for checkXML
 goodKeys = [
-    "name", "location", "work", "description", "url", "pix", "size", "jitter",
+    "name", "altnames", "location", "work", "description", "url", "pix", "size", "jitter",
     "trac", "github", "gitlab"
 ]
 
@@ -95,11 +98,13 @@ def writeToDevmap():
         if c.tagName != "contributor":
             continue
         dev = c.getAttribute("name")
+        altnames = c.getAttribute("altnames")
         loc = c.getAttribute("location")
         work = c.getAttribute("work")
         descr = c.getAttribute("description")
         url = c.getAttribute("url")
         trac = c.getAttribute("trac")
+        github = c.getAttribute("github")
 
         tr = devmap.createElement("tr")
         td = devmap.createElement("td")
@@ -134,14 +139,31 @@ def writeToDevmap():
                 d_el = parseString("<span>%s</span>" % d)
                 td.appendChild(d_el.firstChild)
 
-        if len(trac) == 0:
-            trac = dev
-        trac = trac.replace(" ", "%20")
         a = devmap.createElement("a")
-        a.setAttribute("href", tracSearch + trac)
+        tracQuery = f"https://trac.sagemath.org/query?"
+        main_trac = None
+        trac_list = [t.strip() for t in trac.split(',') if t.strip()]
+        gh_trac_list = [f'gh-{gh.strip()}' for gh in github.split(',') if gh.strip()]
+        for trac in trac_list + gh_trac_list:
+            if not main_trac:
+                main_trac = trac
+            tracQuery += f"&or&cc=~{trac}"
+            tracQuery += f"&or&reporter=~{trac}"
+            tracQuery += f"&or&owner=~{trac}"
+        for name in [dev] + altnames.split(','):
+            name = name.strip()
+            if not name:
+                continue
+            tracQuery += f"&or&author=~{name}"
+            tracQuery += f"&or&reviewer=~{name}"
+        tracQuery += "&max=500&col=id&col=summary&col=author&col=status&col=priority&col=milestone&col=reviewer&order=priority"
+        tracQuery = tracQuery.replace(" ", "%20")
+        a.setAttribute("href", tracQuery)
         a.setAttribute("class", "trac")
-        #a.setAttribute("target", "_blank")
-        a.appendChild(devmap.createTextNode("contributions"))
+        if main_trac:
+            a.appendChild(devmap.createTextNode(f"contributions (trac: {main_trac})"))
+        else:
+            a.appendChild(devmap.createTextNode(f"contributions (trac)"))
         td.appendChild(devmap.createElement("br"))
         td.appendChild(a)
 
@@ -189,6 +211,8 @@ def getGeo(loc):
     CSV Geo returns: [200,6,42.730070,-73.690570]
     [retcode,accuracy,lng,lat]
     """
+    if not gkey:
+        return None
     loc = loc.replace(" ", "+")
     loc = quote(loc.encode('UTF-8'))
     print(loc, ">>>", end="")