diff --git a/orc-rt/include/orc-rt/Session.h b/orc-rt/include/orc-rt/Session.h
index c198d374bc849..fe4f07157385f 100644
--- a/orc-rt/include/orc-rt/Session.h
+++ b/orc-rt/include/orc-rt/Session.h
@@ -17,6 +17,8 @@
 #include "orc-rt/ResourceManager.h"
 #include "orc-rt/move_only_function.h"
 
+#include "orc-rt-c/CoreTypes.h"
+
 #include <vector>
 
 namespace orc_rt {
@@ -69,6 +71,14 @@ class Session {
   std::vector<std::unique_ptr<ResourceManager>> ResourceMgrs;
 };
 
+inline orc_rt_SessionRef wrap(Session *S) noexcept {
+  return reinterpret_cast<orc_rt_SessionRef>(S);
+}
+
+inline Session *unwrap(orc_rt_SessionRef S) noexcept {
+  return reinterpret_cast<Session *>(S);
+}
+
 } // namespace orc_rt
 
 #endif // ORC_RT_SESSION_H